78124920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{997}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 234969120

約数和(自身を除く): 156844200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 653, 997, 1306, 1959, 1994, 2612, 2991, 3265, 3918, 3988, 4985, 5224, 5982, 6530, 7836, 7976, 9795, 9970, 11964, 13060, 14955, 15672, 19590, 19940, 23928, 26120, 29910, 39180, 39880, 59820, 78360, 119640, 651041, 1302082, 1953123, 2604164, 3255205, 3906246, 5208328, 6510410, 7812492, 9765615, 13020820, 15624984, 19531230, 26041640, 39062460, 78124920]

約数ペア:

[(1, 78124920), (2, 39062460), (3, 26041640), (4, 19531230), (5, 15624984), (6, 13020820), (8, 9765615), (10, 7812492), (12, 6510410), (15, 5208328), (20, 3906246), (24, 3255205), (30, 2604164), (40, 1953123), (60, 1302082), (120, 651041), (653, 119640), (997, 78360), (1306, 59820), (1959, 39880), (1994, 39180), (2612, 29910), (2991, 26120), (3265, 23928), (3918, 19940), (3988, 19590), (4985, 15672), (5224, 14955), (5982, 13060), (6530, 11964), (7836, 9970), (7976, 9795)]