420715920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1752983}}^1$

素因数の和:1752999

約数の個数: 40

約数和(自身を含む): 1304220096

約数和(自身を除く): 883504176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1752983, 3505966, 5258949, 7011932, 8764915, 10517898, 14023864, 17529830, 21035796, 26294745, 28047728, 35059660, 42071592, 52589490, 70119320, 84143184, 105178980, 140238640, 210357960, 420715920]

約数ペア:

[(1, 420715920), (2, 210357960), (3, 140238640), (4, 105178980), (5, 84143184), (6, 70119320), (8, 52589490), (10, 42071592), (12, 35059660), (15, 28047728), (16, 26294745), (20, 21035796), (24, 17529830), (30, 14023864), (40, 10517898), (48, 8764915), (60, 7011932), (80, 5258949), (120, 3505966), (240, 1752983)]