20151840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41983}}^1$

素因数の和:42001

約数の個数: 48

約数和(自身を含む): 63479808

約数和(自身を除く): 43327968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41983, 83966, 125949, 167932, 209915, 251898, 335864, 419830, 503796, 629745, 671728, 839660, 1007592, 1259490, 1343456, 1679320, 2015184, 2518980, 3358640, 4030368, 5037960, 6717280, 10075920, 20151840]

約数ペア:

[(1, 20151840), (2, 10075920), (3, 6717280), (4, 5037960), (5, 4030368), (6, 3358640), (8, 2518980), (10, 2015184), (12, 1679320), (15, 1343456), (16, 1259490), (20, 1007592), (24, 839660), (30, 671728), (32, 629745), (40, 503796), (48, 419830), (60, 335864), (80, 251898), (96, 209915), (120, 167932), (160, 125949), (240, 83966), (480, 41983)]