30999280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 79619904

約数和(自身を除く): 48620624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 727, 820, 1040, 1066, 1454, 1640, 2132, 2665, 2908, 3280, 3635, 4264, 5330, 5816, 7270, 8528, 9451, 10660, 11632, 14540, 18902, 21320, 29080, 29807, 37804, 42640, 47255, 58160, 59614, 75608, 94510, 119228, 149035, 151216, 189020, 238456, 298070, 378040, 387491, 476912, 596140, 756080, 774982, 1192280, 1549964, 1937455, 2384560, 3099928, 3874910, 6199856, 7749820, 15499640, 30999280]

約数ペア:

[(1, 30999280), (2, 15499640), (4, 7749820), (5, 6199856), (8, 3874910), (10, 3099928), (13, 2384560), (16, 1937455), (20, 1549964), (26, 1192280), (40, 774982), (41, 756080), (52, 596140), (65, 476912), (80, 387491), (82, 378040), (104, 298070), (130, 238456), (164, 189020), (205, 151216), (208, 149035), (260, 119228), (328, 94510), (410, 75608), (520, 59614), (533, 58160), (656, 47255), (727, 42640), (820, 37804), (1040, 29807), (1066, 29080), (1454, 21320), (1640, 18902), (2132, 14540), (2665, 11632), (2908, 10660), (3280, 9451), (3635, 8528), (4264, 7270), (5330, 5816)]