513840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2141}}^1$

素因数の和:2157

約数の個数: 40

約数和(自身を含む): 1593648

約数和(自身を除く): 1079808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2141, 4282, 6423, 8564, 10705, 12846, 17128, 21410, 25692, 32115, 34256, 42820, 51384, 64230, 85640, 102768, 128460, 171280, 256920, 513840]

約数ペア:

[(1, 513840), (2, 256920), (3, 171280), (4, 128460), (5, 102768), (6, 85640), (8, 64230), (10, 51384), (12, 42820), (15, 34256), (16, 32115), (20, 25692), (24, 21410), (30, 17128), (40, 12846), (48, 10705), (60, 8564), (80, 6423), (120, 4282), (240, 2141)]