2157967920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8991533}}^1$

素因数の和:8991549

約数の個数: 40

約数和(自身を含む): 6689701296

約数和(自身を除く): 4531733376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8991533, 17983066, 26974599, 35966132, 44957665, 53949198, 71932264, 89915330, 107898396, 134872995, 143864528, 179830660, 215796792, 269745990, 359661320, 431593584, 539491980, 719322640, 1078983960, 2157967920]

約数ペア:

[(1, 2157967920), (2, 1078983960), (3, 719322640), (4, 539491980), (5, 431593584), (6, 359661320), (8, 269745990), (10, 215796792), (12, 179830660), (15, 143864528), (16, 134872995), (20, 107898396), (24, 89915330), (30, 71932264), (40, 53949198), (48, 44957665), (60, 35966132), (80, 26974599), (120, 17983066), (240, 8991533)]