81011970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4073}}^1$

素因数の和:4116

約数の個数: 96

約数和(自身を含む): 240235632

約数和(自身を除く): 159223662

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1105, 1170, 1326, 1530, 1989, 2210, 3315, 3978, 4073, 6630, 8146, 9945, 12219, 19890, 20365, 24438, 36657, 40730, 52949, 61095, 69241, 73314, 105898, 122190, 138482, 158847, 183285, 207723, 264745, 317694, 346205, 366570, 415446, 476541, 529490, 623169, 692410, 794235, 900133, 953082, 1038615, 1246338, 1588470, 1800266, 2077230, 2382705, 2700399, 3115845, 4500665, 4765410, 5400798, 6231690, 8101197, 9001330, 13501995, 16202394, 27003990, 40505985, 81011970]

約数ペア:

[(1, 81011970), (2, 40505985), (3, 27003990), (5, 16202394), (6, 13501995), (9, 9001330), (10, 8101197), (13, 6231690), (15, 5400798), (17, 4765410), (18, 4500665), (26, 3115845), (30, 2700399), (34, 2382705), (39, 2077230), (45, 1800266), (51, 1588470), (65, 1246338), (78, 1038615), (85, 953082), (90, 900133), (102, 794235), (117, 692410), (130, 623169), (153, 529490), (170, 476541), (195, 415446), (221, 366570), (234, 346205), (255, 317694), (306, 264745), (390, 207723), (442, 183285), (510, 158847), (585, 138482), (663, 122190), (765, 105898), (1105, 73314), (1170, 69241), (1326, 61095), (1530, 52949), (1989, 40730), (2210, 36657), (3315, 24438), (3978, 20365), (4073, 19890), (6630, 12219), (8146, 9945)]