28631640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{601}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 86254560

約数和(自身を除く): 57622920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 601, 794, 1191, 1202, 1588, 1803, 1985, 2382, 2404, 3005, 3176, 3606, 3970, 4764, 4808, 5955, 6010, 7212, 7940, 9015, 9528, 11910, 12020, 14424, 15880, 18030, 23820, 24040, 36060, 47640, 72120, 238597, 477194, 715791, 954388, 1192985, 1431582, 1908776, 2385970, 2863164, 3578955, 4771940, 5726328, 7157910, 9543880, 14315820, 28631640]

約数ペア:

[(1, 28631640), (2, 14315820), (3, 9543880), (4, 7157910), (5, 5726328), (6, 4771940), (8, 3578955), (10, 2863164), (12, 2385970), (15, 1908776), (20, 1431582), (24, 1192985), (30, 954388), (40, 715791), (60, 477194), (120, 238597), (397, 72120), (601, 47640), (794, 36060), (1191, 24040), (1202, 23820), (1588, 18030), (1803, 15880), (1985, 14424), (2382, 12020), (2404, 11910), (3005, 9528), (3176, 9015), (3606, 7940), (3970, 7212), (4764, 6010), (4808, 5955)]