312581620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 735178752

約数和(自身を除く): 422597132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 73, 86, 130, 146, 172, 215, 260, 292, 365, 383, 430, 559, 730, 766, 860, 949, 1118, 1460, 1532, 1898, 1915, 2236, 2795, 3139, 3796, 3830, 4745, 4979, 5590, 6278, 7660, 9490, 9958, 11180, 12556, 15695, 16469, 18980, 19916, 24895, 27959, 31390, 32938, 40807, 49790, 55918, 62780, 65876, 81614, 82345, 99580, 111836, 139795, 163228, 164690, 204035, 214097, 279590, 329380, 363467, 408070, 428194, 559180, 726934, 816140, 856388, 1070485, 1202237, 1453868, 1817335, 2140970, 2404474, 3634670, 4281940, 4808948, 6011185, 7269340, 12022370, 15629081, 24044740, 31258162, 62516324, 78145405, 156290810, 312581620]

約数ペア:

[(1, 312581620), (2, 156290810), (4, 78145405), (5, 62516324), (10, 31258162), (13, 24044740), (20, 15629081), (26, 12022370), (43, 7269340), (52, 6011185), (65, 4808948), (73, 4281940), (86, 3634670), (130, 2404474), (146, 2140970), (172, 1817335), (215, 1453868), (260, 1202237), (292, 1070485), (365, 856388), (383, 816140), (430, 726934), (559, 559180), (730, 428194), (766, 408070), (860, 363467), (949, 329380), (1118, 279590), (1460, 214097), (1532, 204035), (1898, 164690), (1915, 163228), (2236, 139795), (2795, 111836), (3139, 99580), (3796, 82345), (3830, 81614), (4745, 65876), (4979, 62780), (5590, 55918), (6278, 49790), (7660, 40807), (9490, 32938), (9958, 31390), (11180, 27959), (12556, 24895), (15695, 19916), (16469, 18980)]