645360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2689}}^1$

素因数の和:2705

約数の個数: 40

約数和(自身を含む): 2001360

約数和(自身を除く): 1356000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2689, 5378, 8067, 10756, 13445, 16134, 21512, 26890, 32268, 40335, 43024, 53780, 64536, 80670, 107560, 129072, 161340, 215120, 322680, 645360]

約数ペア:

[(1, 645360), (2, 322680), (3, 215120), (4, 161340), (5, 129072), (6, 107560), (8, 80670), (10, 64536), (12, 53780), (15, 43024), (16, 40335), (20, 32268), (24, 26890), (30, 21512), (40, 16134), (48, 13445), (60, 10756), (80, 8067), (120, 5378), (240, 2689)]