12761970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 33796224

約数和(自身を除く): 21034254

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 761, 1118, 1290, 1522, 1677, 2283, 2795, 3354, 3805, 4566, 5590, 7610, 8385, 9893, 11415, 16770, 19786, 22830, 29679, 32723, 49465, 59358, 65446, 98169, 98930, 148395, 163615, 196338, 296790, 327230, 425399, 490845, 850798, 981690, 1276197, 2126995, 2552394, 4253990, 6380985, 12761970]

約数ペア:

[(1, 12761970), (2, 6380985), (3, 4253990), (5, 2552394), (6, 2126995), (10, 1276197), (13, 981690), (15, 850798), (26, 490845), (30, 425399), (39, 327230), (43, 296790), (65, 196338), (78, 163615), (86, 148395), (129, 98930), (130, 98169), (195, 65446), (215, 59358), (258, 49465), (390, 32723), (430, 29679), (559, 22830), (645, 19786), (761, 16770), (1118, 11415), (1290, 9893), (1522, 8385), (1677, 7610), (2283, 5590), (2795, 4566), (3354, 3805)]