780746640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3253111}}^1$

素因数の和:3253127

約数の個数: 40

約数和(自身を含む): 2420315328

約数和(自身を除く): 1639568688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3253111, 6506222, 9759333, 13012444, 16265555, 19518666, 26024888, 32531110, 39037332, 48796665, 52049776, 65062220, 78074664, 97593330, 130124440, 156149328, 195186660, 260248880, 390373320, 780746640]

約数ペア:

[(1, 780746640), (2, 390373320), (3, 260248880), (4, 195186660), (5, 156149328), (6, 130124440), (8, 97593330), (10, 78074664), (12, 65062220), (15, 52049776), (16, 48796665), (20, 39037332), (24, 32531110), (30, 26024888), (40, 19518666), (48, 16265555), (60, 13012444), (80, 9759333), (120, 6506222), (240, 3253111)]