28479360

素因数分解:

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

素因数の和:205

約数の個数: 256

約数和(自身を含む): 112412160

約数和(自身を除く): 83932800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 163, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 326, 336, 364, 384, 390, 416, 420, 448, 455, 480, 489, 520, 546, 560, 624, 640, 652, 672, 728, 780, 815, 832, 840, 896, 910, 960, 978, 1040, 1092, 1120, 1141, 1248, 1304, 1344, 1365, 1456, 1560, 1630, 1664, 1680, 1820, 1920, 1956, 2080, 2119, 2184, 2240, 2282, 2445, 2496, 2608, 2688, 2730, 2912, 3120, 3260, 3360, 3423, 3640, 3912, 4160, 4238, 4368, 4480, 4564, 4890, 4992, 5216, 5460, 5705, 5824, 6240, 6357, 6520, 6720, 6846, 7280, 7824, 8320, 8476, 8736, 9128, 9780, 10432, 10595, 10920, 11410, 11648, 12480, 12714, 13040, 13440, 13692, 14560, 14833, 15648, 16952, 17115, 17472, 18256, 19560, 20864, 21190, 21840, 22820, 24960, 25428, 26080, 27384, 29120, 29666, 31296, 31785, 33904, 34230, 34944, 36512, 39120, 42380, 43680, 44499, 45640, 50856, 52160, 54768, 58240, 59332, 62592, 63570, 67808, 68460, 73024, 74165, 78240, 84760, 87360, 88998, 91280, 101712, 104320, 109536, 118664, 127140, 135616, 136920, 146048, 148330, 156480, 169520, 174720, 177996, 182560, 203424, 219072, 222495, 237328, 254280, 271232, 273840, 296660, 312960, 339040, 355992, 365120, 406848, 438144, 444990, 474656, 508560, 547680, 593320, 678080, 711984, 730240, 813696, 889980, 949312, 1017120, 1095360, 1186640, 1356160, 1423968, 1779960, 1898624, 2034240, 2190720, 2373280, 2847936, 3559920, 4068480, 4746560, 5695872, 7119840, 9493120, 14239680, 28479360]

約数ペア:

[(1, 28479360), (2, 14239680), (3, 9493120), (4, 7119840), (5, 5695872), (6, 4746560), (7, 4068480), (8, 3559920), (10, 2847936), (12, 2373280), (13, 2190720), (14, 2034240), (15, 1898624), (16, 1779960), (20, 1423968), (21, 1356160), (24, 1186640), (26, 1095360), (28, 1017120), (30, 949312), (32, 889980), (35, 813696), (39, 730240), (40, 711984), (42, 678080), (48, 593320), (52, 547680), (56, 508560), (60, 474656), (64, 444990), (65, 438144), (70, 406848), (78, 365120), (80, 355992), (84, 339040), (91, 312960), (96, 296660), (104, 273840), (105, 271232), (112, 254280), (120, 237328), (128, 222495), (130, 219072), (140, 203424), (156, 182560), (160, 177996), (163, 174720), (168, 169520), (182, 156480), (192, 148330), (195, 146048), (208, 136920), (210, 135616), (224, 127140), (240, 118664), (260, 109536), (273, 104320), (280, 101712), (312, 91280), (320, 88998), (326, 87360), (336, 84760), (364, 78240), (384, 74165), (390, 73024), (416, 68460), (420, 67808), (448, 63570), (455, 62592), (480, 59332), (489, 58240), (520, 54768), (546, 52160), (560, 50856), (624, 45640), (640, 44499), (652, 43680), (672, 42380), (728, 39120), (780, 36512), (815, 34944), (832, 34230), (840, 33904), (896, 31785), (910, 31296), (960, 29666), (978, 29120), (1040, 27384), (1092, 26080), (1120, 25428), (1141, 24960), (1248, 22820), (1304, 21840), (1344, 21190), (1365, 20864), (1456, 19560), (1560, 18256), (1630, 17472), (1664, 17115), (1680, 16952), (1820, 15648), (1920, 14833), (1956, 14560), (2080, 13692), (2119, 13440), (2184, 13040), (2240, 12714), (2282, 12480), (2445, 11648), (2496, 11410), (2608, 10920), (2688, 10595), (2730, 10432), (2912, 9780), (3120, 9128), (3260, 8736), (3360, 8476), (3423, 8320), (3640, 7824), (3912, 7280), (4160, 6846), (4238, 6720), (4368, 6520), (4480, 6357), (4564, 6240), (4890, 5824), (4992, 5705), (5216, 5460)]