213955440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{891481}}^1$

素因数の和:891497

約数の個数: 40

約数和(自身を含む): 663262608

約数和(自身を除く): 449307168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 891481, 1782962, 2674443, 3565924, 4457405, 5348886, 7131848, 8914810, 10697772, 13372215, 14263696, 17829620, 21395544, 26744430, 35659240, 42791088, 53488860, 71318480, 106977720, 213955440]

約数ペア:

[(1, 213955440), (2, 106977720), (3, 71318480), (4, 53488860), (5, 42791088), (6, 35659240), (8, 26744430), (10, 21395544), (12, 17829620), (15, 14263696), (16, 13372215), (20, 10697772), (24, 8914810), (30, 7131848), (40, 5348886), (48, 4457405), (60, 3565924), (80, 2674443), (120, 1782962), (240, 891481)]