256314240

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 512

約数和(自身を含む): 1124121600

約数和(自身を除く): 867807360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 128, 130, 135, 140, 144, 156, 160, 163, 168, 180, 182, 189, 192, 195, 208, 210, 216, 224, 234, 240, 252, 260, 270, 273, 280, 288, 312, 315, 320, 326, 336, 351, 360, 364, 378, 384, 390, 416, 420, 432, 448, 455, 468, 480, 489, 504, 520, 540, 546, 560, 576, 585, 624, 630, 640, 652, 672, 702, 720, 728, 756, 780, 815, 819, 832, 840, 864, 896, 910, 936, 945, 960, 978, 1008, 1040, 1080, 1092, 1120, 1141, 1152, 1170, 1248, 1260, 1304, 1344, 1365, 1404, 1440, 1456, 1467, 1512, 1560, 1630, 1638, 1664, 1680, 1728, 1755, 1820, 1872, 1890, 1920, 1956, 2016, 2080, 2119, 2160, 2184, 2240, 2282, 2340, 2445, 2457, 2496, 2520, 2608, 2688, 2730, 2808, 2880, 2912, 2934, 3024, 3120, 3260, 3276, 3360, 3423, 3456, 3510, 3640, 3744, 3780, 3912, 4032, 4095, 4160, 4238, 4320, 4368, 4401, 4480, 4564, 4680, 4890, 4914, 4992, 5040, 5216, 5460, 5616, 5705, 5760, 5824, 5868, 6048, 6240, 6357, 6520, 6552, 6720, 6846, 7020, 7280, 7335, 7488, 7560, 7824, 8064, 8190, 8320, 8476, 8640, 8736, 8802, 9128, 9360, 9780, 9828, 10080, 10269, 10432, 10595, 10920, 11232, 11410, 11648, 11736, 12096, 12285, 12480, 12714, 13040, 13104, 13440, 13692, 14040, 14560, 14670, 14833, 14976, 15120, 15648, 16380, 16952, 17115, 17280, 17472, 17604, 18256, 18720, 19071, 19560, 19656, 20160, 20538, 20864, 21190, 21840, 22005, 22464, 22820, 23472, 24192, 24570, 24960, 25428, 26080, 26208, 27384, 28080, 29120, 29340, 29666, 30240, 30807, 31296, 31785, 32760, 33904, 34230, 34944, 35208, 36512, 37440, 38142, 39120, 39312, 40320, 41076, 42380, 43680, 44010, 44499, 44928, 45640, 46944, 49140, 50856, 51345, 52160, 52416, 54768, 56160, 57213, 58240, 58680, 59332, 60480, 61614, 62592, 63570, 65520, 67808, 68460, 70416, 73024, 74165, 74880, 76284, 78240, 78624, 82152, 84760, 87360, 88020, 88998, 91280, 93888, 95355, 98280, 101712, 102690, 104320, 104832, 109536, 112320, 114426, 117360, 118664, 120960, 123228, 127140, 131040, 133497, 135616, 136920, 140832, 146048, 148330, 152568, 154035, 156480, 157248, 164304, 169520, 174720, 176040, 177996, 182560, 187776, 190710, 196560, 203424, 205380, 219072, 222495, 224640, 228852, 234720, 237328, 246456, 254280, 262080, 266994, 271232, 273840, 281664, 286065, 296660, 305136, 308070, 312960, 314496, 328608, 339040, 352080, 355992, 365120, 381420, 393120, 400491, 406848, 410760, 438144, 444990, 457704, 469440, 474656, 492912, 508560, 524160, 533988, 547680, 563328, 572130, 593320, 610272, 616140, 657216, 667485, 678080, 704160, 711984, 730240, 762840, 786240, 800982, 813696, 821520, 889980, 915408, 938880, 949312, 985824, 1017120, 1067976, 1095360, 1144260, 1186640, 1220544, 1232280, 1314432, 1334970, 1356160, 1408320, 1423968, 1525680, 1572480, 1601964, 1643040, 1779960, 1830816, 1898624, 1971648, 2002455, 2034240, 2135952, 2190720, 2288520, 2373280, 2441088, 2464560, 2669940, 2816640, 2847936, 3051360, 3203928, 3286080, 3559920, 3661632, 3943296, 4004910, 4068480, 4271904, 4577040, 4746560, 4929120, 5339880, 5695872, 6102720, 6407856, 6572160, 7119840, 7323264, 8009820, 8543808, 9154080, 9493120, 9858240, 10679760, 12205440, 12815712, 14239680, 16019640, 17087616, 18308160, 19716480, 21359520, 25631424, 28479360, 32039280, 36616320, 42719040, 51262848, 64078560, 85438080, 128157120, 256314240]

約数ペア:

[(1, 256314240), (2, 128157120), (3, 85438080), (4, 64078560), (5, 51262848), (6, 42719040), (7, 36616320), (8, 32039280), (9, 28479360), (10, 25631424), (12, 21359520), (13, 19716480), (14, 18308160), (15, 17087616), (16, 16019640), (18, 14239680), (20, 12815712), (21, 12205440), (24, 10679760), (26, 9858240), (27, 9493120), (28, 9154080), (30, 8543808), (32, 8009820), (35, 7323264), (36, 7119840), (39, 6572160), (40, 6407856), (42, 6102720), (45, 5695872), (48, 5339880), (52, 4929120), (54, 4746560), (56, 4577040), (60, 4271904), (63, 4068480), (64, 4004910), (65, 3943296), (70, 3661632), (72, 3559920), (78, 3286080), (80, 3203928), (84, 3051360), (90, 2847936), (91, 2816640), (96, 2669940), (104, 2464560), (105, 2441088), (108, 2373280), (112, 2288520), (117, 2190720), (120, 2135952), (126, 2034240), (128, 2002455), (130, 1971648), (135, 1898624), (140, 1830816), (144, 1779960), (156, 1643040), (160, 1601964), (163, 1572480), (168, 1525680), (180, 1423968), (182, 1408320), (189, 1356160), (192, 1334970), (195, 1314432), (208, 1232280), (210, 1220544), (216, 1186640), (224, 1144260), (234, 1095360), (240, 1067976), (252, 1017120), (260, 985824), (270, 949312), (273, 938880), (280, 915408), (288, 889980), (312, 821520), (315, 813696), (320, 800982), (326, 786240), (336, 762840), (351, 730240), (360, 711984), (364, 704160), (378, 678080), (384, 667485), (390, 657216), (416, 616140), (420, 610272), (432, 593320), (448, 572130), (455, 563328), (468, 547680), (480, 533988), (489, 524160), (504, 508560), (520, 492912), (540, 474656), (546, 469440), (560, 457704), (576, 444990), (585, 438144), (624, 410760), (630, 406848), (640, 400491), (652, 393120), (672, 381420), (702, 365120), (720, 355992), (728, 352080), (756, 339040), (780, 328608), (815, 314496), (819, 312960), (832, 308070), (840, 305136), (864, 296660), (896, 286065), (910, 281664), (936, 273840), (945, 271232), (960, 266994), (978, 262080), (1008, 254280), (1040, 246456), (1080, 237328), (1092, 234720), (1120, 228852), (1141, 224640), (1152, 222495), (1170, 219072), (1248, 205380), (1260, 203424), (1304, 196560), (1344, 190710), (1365, 187776), (1404, 182560), (1440, 177996), (1456, 176040), (1467, 174720), (1512, 169520), (1560, 164304), (1630, 157248), (1638, 156480), (1664, 154035), (1680, 152568), (1728, 148330), (1755, 146048), (1820, 140832), (1872, 136920), (1890, 135616), (1920, 133497), (1956, 131040), (2016, 127140), (2080, 123228), (2119, 120960), (2160, 118664), (2184, 117360), (2240, 114426), (2282, 112320), (2340, 109536), (2445, 104832), (2457, 104320), (2496, 102690), (2520, 101712), (2608, 98280), (2688, 95355), (2730, 93888), (2808, 91280), (2880, 88998), (2912, 88020), (2934, 87360), (3024, 84760), (3120, 82152), (3260, 78624), (3276, 78240), (3360, 76284), (3423, 74880), (3456, 74165), (3510, 73024), (3640, 70416), (3744, 68460), (3780, 67808), (3912, 65520), (4032, 63570), (4095, 62592), (4160, 61614), (4238, 60480), (4320, 59332), (4368, 58680), (4401, 58240), (4480, 57213), (4564, 56160), (4680, 54768), (4890, 52416), (4914, 52160), (4992, 51345), (5040, 50856), (5216, 49140), (5460, 46944), (5616, 45640), (5705, 44928), (5760, 44499), (5824, 44010), (5868, 43680), (6048, 42380), (6240, 41076), (6357, 40320), (6520, 39312), (6552, 39120), (6720, 38142), (6846, 37440), (7020, 36512), (7280, 35208), (7335, 34944), (7488, 34230), (7560, 33904), (7824, 32760), (8064, 31785), (8190, 31296), (8320, 30807), (8476, 30240), (8640, 29666), (8736, 29340), (8802, 29120), (9128, 28080), (9360, 27384), (9780, 26208), (9828, 26080), (10080, 25428), (10269, 24960), (10432, 24570), (10595, 24192), (10920, 23472), (11232, 22820), (11410, 22464), (11648, 22005), (11736, 21840), (12096, 21190), (12285, 20864), (12480, 20538), (12714, 20160), (13040, 19656), (13104, 19560), (13440, 19071), (13692, 18720), (14040, 18256), (14560, 17604), (14670, 17472), (14833, 17280), (14976, 17115), (15120, 16952), (15648, 16380)]