261243360

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 384

約数和(自身を含む): 1071221760

約数和(自身を除く): 809978400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 53, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 106, 108, 112, 120, 126, 135, 140, 144, 159, 160, 163, 168, 180, 189, 210, 212, 216, 224, 240, 252, 265, 270, 280, 288, 315, 318, 326, 336, 360, 371, 378, 420, 424, 432, 477, 480, 489, 504, 530, 540, 560, 630, 636, 652, 672, 720, 742, 756, 795, 815, 840, 848, 864, 945, 954, 978, 1008, 1060, 1080, 1113, 1120, 1141, 1260, 1272, 1304, 1431, 1440, 1467, 1484, 1512, 1590, 1630, 1680, 1696, 1855, 1890, 1908, 1956, 2016, 2120, 2160, 2226, 2282, 2385, 2445, 2520, 2544, 2608, 2862, 2934, 2968, 3024, 3180, 3260, 3339, 3360, 3423, 3710, 3780, 3816, 3912, 4240, 4320, 4401, 4452, 4564, 4770, 4890, 5040, 5088, 5216, 5565, 5705, 5724, 5868, 5936, 6048, 6360, 6520, 6678, 6846, 7155, 7335, 7420, 7560, 7632, 7824, 8480, 8639, 8802, 8904, 9128, 9540, 9780, 10017, 10080, 10269, 11130, 11410, 11448, 11736, 11872, 12720, 13040, 13356, 13692, 14310, 14670, 14840, 15120, 15264, 15648, 16695, 17115, 17278, 17604, 17808, 18256, 19080, 19560, 20034, 20538, 22005, 22260, 22820, 22896, 23472, 25440, 25917, 26080, 26712, 27384, 28620, 29340, 29680, 30240, 30807, 33390, 34230, 34556, 35208, 35616, 36512, 38160, 39120, 40068, 41076, 43195, 44010, 44520, 45640, 45792, 46944, 50085, 51345, 51834, 53424, 54768, 57240, 58680, 59360, 60473, 61614, 66780, 68460, 69112, 70416, 76320, 77751, 78240, 80136, 82152, 86390, 88020, 89040, 91280, 100170, 102690, 103668, 106848, 109536, 114480, 117360, 120946, 123228, 129585, 133560, 136920, 138224, 140832, 154035, 155502, 160272, 164304, 172780, 176040, 178080, 181419, 182560, 200340, 205380, 207336, 228960, 233253, 234720, 241892, 246456, 259170, 267120, 273840, 276448, 302365, 308070, 311004, 320544, 328608, 345560, 352080, 362838, 388755, 400680, 410760, 414672, 466506, 483784, 492912, 518340, 534240, 544257, 547680, 604730, 616140, 622008, 691120, 704160, 725676, 777510, 801360, 821520, 829344, 907095, 933012, 967568, 985824, 1036680, 1088514, 1166265, 1209460, 1232280, 1244016, 1382240, 1451352, 1555020, 1602720, 1632771, 1643040, 1814190, 1866024, 1935136, 2073360, 2177028, 2332530, 2418920, 2464560, 2488032, 2721285, 2902704, 3110040, 3265542, 3628380, 3732048, 4146720, 4354056, 4665060, 4837840, 4929120, 5442570, 5805408, 6220080, 6531084, 7256760, 7464096, 8163855, 8708112, 9330120, 9675680, 10885140, 12440160, 13062168, 14513520, 16327710, 17416224, 18660240, 21770280, 26124336, 29027040, 32655420, 37320480, 43540560, 52248672, 65310840, 87081120, 130621680, 261243360]

約数ペア:

[(1, 261243360), (2, 130621680), (3, 87081120), (4, 65310840), (5, 52248672), (6, 43540560), (7, 37320480), (8, 32655420), (9, 29027040), (10, 26124336), (12, 21770280), (14, 18660240), (15, 17416224), (16, 16327710), (18, 14513520), (20, 13062168), (21, 12440160), (24, 10885140), (27, 9675680), (28, 9330120), (30, 8708112), (32, 8163855), (35, 7464096), (36, 7256760), (40, 6531084), (42, 6220080), (45, 5805408), (48, 5442570), (53, 4929120), (54, 4837840), (56, 4665060), (60, 4354056), (63, 4146720), (70, 3732048), (72, 3628380), (80, 3265542), (84, 3110040), (90, 2902704), (96, 2721285), (105, 2488032), (106, 2464560), (108, 2418920), (112, 2332530), (120, 2177028), (126, 2073360), (135, 1935136), (140, 1866024), (144, 1814190), (159, 1643040), (160, 1632771), (163, 1602720), (168, 1555020), (180, 1451352), (189, 1382240), (210, 1244016), (212, 1232280), (216, 1209460), (224, 1166265), (240, 1088514), (252, 1036680), (265, 985824), (270, 967568), (280, 933012), (288, 907095), (315, 829344), (318, 821520), (326, 801360), (336, 777510), (360, 725676), (371, 704160), (378, 691120), (420, 622008), (424, 616140), (432, 604730), (477, 547680), (480, 544257), (489, 534240), (504, 518340), (530, 492912), (540, 483784), (560, 466506), (630, 414672), (636, 410760), (652, 400680), (672, 388755), (720, 362838), (742, 352080), (756, 345560), (795, 328608), (815, 320544), (840, 311004), (848, 308070), (864, 302365), (945, 276448), (954, 273840), (978, 267120), (1008, 259170), (1060, 246456), (1080, 241892), (1113, 234720), (1120, 233253), (1141, 228960), (1260, 207336), (1272, 205380), (1304, 200340), (1431, 182560), (1440, 181419), (1467, 178080), (1484, 176040), (1512, 172780), (1590, 164304), (1630, 160272), (1680, 155502), (1696, 154035), (1855, 140832), (1890, 138224), (1908, 136920), (1956, 133560), (2016, 129585), (2120, 123228), (2160, 120946), (2226, 117360), (2282, 114480), (2385, 109536), (2445, 106848), (2520, 103668), (2544, 102690), (2608, 100170), (2862, 91280), (2934, 89040), (2968, 88020), (3024, 86390), (3180, 82152), (3260, 80136), (3339, 78240), (3360, 77751), (3423, 76320), (3710, 70416), (3780, 69112), (3816, 68460), (3912, 66780), (4240, 61614), (4320, 60473), (4401, 59360), (4452, 58680), (4564, 57240), (4770, 54768), (4890, 53424), (5040, 51834), (5088, 51345), (5216, 50085), (5565, 46944), (5705, 45792), (5724, 45640), (5868, 44520), (5936, 44010), (6048, 43195), (6360, 41076), (6520, 40068), (6678, 39120), (6846, 38160), (7155, 36512), (7335, 35616), (7420, 35208), (7560, 34556), (7632, 34230), (7824, 33390), (8480, 30807), (8639, 30240), (8802, 29680), (8904, 29340), (9128, 28620), (9540, 27384), (9780, 26712), (10017, 26080), (10080, 25917), (10269, 25440), (11130, 23472), (11410, 22896), (11448, 22820), (11736, 22260), (11872, 22005), (12720, 20538), (13040, 20034), (13356, 19560), (13692, 19080), (14310, 18256), (14670, 17808), (14840, 17604), (15120, 17278), (15264, 17115), (15648, 16695)]