63897720

素因数分解:

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

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 192222720

約数和(自身を除く): 128325000

約数列:

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

約数ペア:

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