2048520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 6304320

約数和(自身を除く): 4255800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 397, 430, 516, 645, 794, 860, 1032, 1191, 1290, 1588, 1720, 1985, 2382, 2580, 3176, 3970, 4764, 5160, 5955, 7940, 9528, 11910, 15880, 17071, 23820, 34142, 47640, 51213, 68284, 85355, 102426, 136568, 170710, 204852, 256065, 341420, 409704, 512130, 682840, 1024260, 2048520]

約数ペア:

[(1, 2048520), (2, 1024260), (3, 682840), (4, 512130), (5, 409704), (6, 341420), (8, 256065), (10, 204852), (12, 170710), (15, 136568), (20, 102426), (24, 85355), (30, 68284), (40, 51213), (43, 47640), (60, 34142), (86, 23820), (120, 17071), (129, 15880), (172, 11910), (215, 9528), (258, 7940), (344, 5955), (397, 5160), (430, 4764), (516, 3970), (645, 3176), (794, 2580), (860, 2382), (1032, 1985), (1191, 1720), (1290, 1588)]