76828860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1223}}^1$

素因数の和:1587

約数の個数: 72

約数和(自身を含む): 233906400

約数和(自身を除く): 157077540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1223, 1396, 1745, 2094, 2446, 3141, 3490, 3669, 4188, 4892, 5235, 6115, 6282, 6980, 7338, 10470, 11007, 12230, 12564, 14676, 15705, 18345, 20940, 22014, 24460, 31410, 36690, 44028, 55035, 62820, 73380, 110070, 220140, 426827, 853654, 1280481, 1707308, 2134135, 2560962, 3841443, 4268270, 5121924, 6402405, 7682886, 8536540, 12804810, 15365772, 19207215, 25609620, 38414430, 76828860]

約数ペア:

[(1, 76828860), (2, 38414430), (3, 25609620), (4, 19207215), (5, 15365772), (6, 12804810), (9, 8536540), (10, 7682886), (12, 6402405), (15, 5121924), (18, 4268270), (20, 3841443), (30, 2560962), (36, 2134135), (45, 1707308), (60, 1280481), (90, 853654), (180, 426827), (349, 220140), (698, 110070), (1047, 73380), (1223, 62820), (1396, 55035), (1745, 44028), (2094, 36690), (2446, 31410), (3141, 24460), (3490, 22014), (3669, 20940), (4188, 18345), (4892, 15705), (5235, 14676), (6115, 12564), (6282, 12230), (6980, 11007), (7338, 10470)]