661708560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2757119}}^1$

素因数の和:2757135

約数の個数: 40

約数和(自身を含む): 2051297280

約数和(自身を除く): 1389588720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2757119, 5514238, 8271357, 11028476, 13785595, 16542714, 22056952, 27571190, 33085428, 41356785, 44113904, 55142380, 66170856, 82713570, 110284760, 132341712, 165427140, 220569520, 330854280, 661708560]

約数ペア:

[(1, 661708560), (2, 330854280), (3, 220569520), (4, 165427140), (5, 132341712), (6, 110284760), (8, 82713570), (10, 66170856), (12, 55142380), (15, 44113904), (16, 41356785), (20, 33085428), (24, 27571190), (30, 22056952), (40, 16542714), (48, 13785595), (60, 11028476), (80, 8271357), (120, 5514238), (240, 2757119)]