217242840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1810357}}^1$

素因数の和:1810371

約数の個数: 32

約数和(自身を含む): 651728880

約数和(自身を除く): 434486040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1810357, 3620714, 5431071, 7241428, 9051785, 10862142, 14482856, 18103570, 21724284, 27155355, 36207140, 43448568, 54310710, 72414280, 108621420, 217242840]

約数ペア:

[(1, 217242840), (2, 108621420), (3, 72414280), (4, 54310710), (5, 43448568), (6, 36207140), (8, 27155355), (10, 21724284), (12, 18103570), (15, 14482856), (20, 10862142), (24, 9051785), (30, 7241428), (40, 5431071), (60, 3620714), (120, 1810357)]