254957360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1483}}^1$

素因数の和:1810

約数の個数: 80

約数和(自身を含む): 680123136

約数和(自身を除く): 425165776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 1228, 1483, 1535, 2149, 2456, 2966, 3070, 4298, 4912, 5932, 6140, 7415, 8596, 10381, 10745, 11864, 12280, 14830, 17192, 20762, 21490, 23728, 24560, 29660, 34384, 41524, 42980, 51905, 59320, 83048, 85960, 103810, 118640, 166096, 171920, 207620, 415240, 455281, 830480, 910562, 1821124, 2276405, 3186967, 3642248, 4552810, 6373934, 7284496, 9105620, 12747868, 15934835, 18211240, 25495736, 31869670, 36422480, 50991472, 63739340, 127478680, 254957360]

約数ペア:

[(1, 254957360), (2, 127478680), (4, 63739340), (5, 50991472), (7, 36422480), (8, 31869670), (10, 25495736), (14, 18211240), (16, 15934835), (20, 12747868), (28, 9105620), (35, 7284496), (40, 6373934), (56, 4552810), (70, 3642248), (80, 3186967), (112, 2276405), (140, 1821124), (280, 910562), (307, 830480), (560, 455281), (614, 415240), (1228, 207620), (1483, 171920), (1535, 166096), (2149, 118640), (2456, 103810), (2966, 85960), (3070, 83048), (4298, 59320), (4912, 51905), (5932, 42980), (6140, 41524), (7415, 34384), (8596, 29660), (10381, 24560), (10745, 23728), (11864, 21490), (12280, 20762), (14830, 17192)]