256734240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:835

約数の個数: 192

約数和(自身を含む): 934053120

約数和(自身を除く): 677318880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 109, 112, 120, 140, 160, 168, 210, 218, 224, 240, 280, 327, 336, 420, 436, 480, 545, 560, 654, 672, 701, 763, 840, 872, 1090, 1120, 1308, 1402, 1526, 1635, 1680, 1744, 2103, 2180, 2289, 2616, 2804, 3052, 3270, 3360, 3488, 3505, 3815, 4206, 4360, 4578, 4907, 5232, 5608, 6104, 6540, 7010, 7630, 8412, 8720, 9156, 9814, 10464, 10515, 11216, 11445, 12208, 13080, 14020, 14721, 15260, 16824, 17440, 18312, 19628, 21030, 22432, 22890, 24416, 24535, 26160, 28040, 29442, 30520, 33648, 36624, 39256, 42060, 45780, 49070, 52320, 56080, 58884, 61040, 67296, 73248, 73605, 76409, 78512, 84120, 91560, 98140, 112160, 117768, 122080, 147210, 152818, 157024, 168240, 183120, 196280, 229227, 235536, 294420, 305636, 336480, 366240, 382045, 392560, 458454, 471072, 534863, 588840, 611272, 764090, 785120, 916908, 1069726, 1146135, 1177680, 1222544, 1528180, 1604589, 1833816, 2139452, 2292270, 2355360, 2445088, 2674315, 3056360, 3209178, 3667632, 4278904, 4584540, 5348630, 6112720, 6418356, 7335264, 8022945, 8557808, 9169080, 10697260, 12225440, 12836712, 16045890, 17115616, 18338160, 21394520, 25673424, 32091780, 36676320, 42789040, 51346848, 64183560, 85578080, 128367120, 256734240]

約数ペア:

[(1, 256734240), (2, 128367120), (3, 85578080), (4, 64183560), (5, 51346848), (6, 42789040), (7, 36676320), (8, 32091780), (10, 25673424), (12, 21394520), (14, 18338160), (15, 17115616), (16, 16045890), (20, 12836712), (21, 12225440), (24, 10697260), (28, 9169080), (30, 8557808), (32, 8022945), (35, 7335264), (40, 6418356), (42, 6112720), (48, 5348630), (56, 4584540), (60, 4278904), (70, 3667632), (80, 3209178), (84, 3056360), (96, 2674315), (105, 2445088), (109, 2355360), (112, 2292270), (120, 2139452), (140, 1833816), (160, 1604589), (168, 1528180), (210, 1222544), (218, 1177680), (224, 1146135), (240, 1069726), (280, 916908), (327, 785120), (336, 764090), (420, 611272), (436, 588840), (480, 534863), (545, 471072), (560, 458454), (654, 392560), (672, 382045), (701, 366240), (763, 336480), (840, 305636), (872, 294420), (1090, 235536), (1120, 229227), (1308, 196280), (1402, 183120), (1526, 168240), (1635, 157024), (1680, 152818), (1744, 147210), (2103, 122080), (2180, 117768), (2289, 112160), (2616, 98140), (2804, 91560), (3052, 84120), (3270, 78512), (3360, 76409), (3488, 73605), (3505, 73248), (3815, 67296), (4206, 61040), (4360, 58884), (4578, 56080), (4907, 52320), (5232, 49070), (5608, 45780), (6104, 42060), (6540, 39256), (7010, 36624), (7630, 33648), (8412, 30520), (8720, 29442), (9156, 28040), (9814, 26160), (10464, 24535), (10515, 24416), (11216, 22890), (11445, 22432), (12208, 21030), (13080, 19628), (14020, 18312), (14721, 17440), (15260, 16824)]