127795440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{823}}^1$

素因数の和:1486

約数の個数: 80

約数和(自身を含む): 397260288

約数和(自身を除く): 269464848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647, 823, 1294, 1646, 1941, 2469, 2588, 3235, 3292, 3882, 4115, 4938, 5176, 6470, 6584, 7764, 8230, 9705, 9876, 10352, 12345, 12940, 13168, 15528, 16460, 19410, 19752, 24690, 25880, 31056, 32920, 38820, 39504, 49380, 51760, 65840, 77640, 98760, 155280, 197520, 532481, 1064962, 1597443, 2129924, 2662405, 3194886, 4259848, 5324810, 6389772, 7987215, 8519696, 10649620, 12779544, 15974430, 21299240, 25559088, 31948860, 42598480, 63897720, 127795440]

約数ペア:

[(1, 127795440), (2, 63897720), (3, 42598480), (4, 31948860), (5, 25559088), (6, 21299240), (8, 15974430), (10, 12779544), (12, 10649620), (15, 8519696), (16, 7987215), (20, 6389772), (24, 5324810), (30, 4259848), (40, 3194886), (48, 2662405), (60, 2129924), (80, 1597443), (120, 1064962), (240, 532481), (647, 197520), (823, 155280), (1294, 98760), (1646, 77640), (1941, 65840), (2469, 51760), (2588, 49380), (3235, 39504), (3292, 38820), (3882, 32920), (4115, 31056), (4938, 25880), (5176, 24690), (6470, 19752), (6584, 19410), (7764, 16460), (8230, 15528), (9705, 13168), (9876, 12940), (10352, 12345)]