78842760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{997}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 237124800

約数和(自身を除く): 158282040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 659, 997, 1318, 1977, 1994, 2636, 2991, 3295, 3954, 3988, 4985, 5272, 5982, 6590, 7908, 7976, 9885, 9970, 11964, 13180, 14955, 15816, 19770, 19940, 23928, 26360, 29910, 39540, 39880, 59820, 79080, 119640, 657023, 1314046, 1971069, 2628092, 3285115, 3942138, 5256184, 6570230, 7884276, 9855345, 13140460, 15768552, 19710690, 26280920, 39421380, 78842760]

約数ペア:

[(1, 78842760), (2, 39421380), (3, 26280920), (4, 19710690), (5, 15768552), (6, 13140460), (8, 9855345), (10, 7884276), (12, 6570230), (15, 5256184), (20, 3942138), (24, 3285115), (30, 2628092), (40, 1971069), (60, 1314046), (120, 657023), (659, 119640), (997, 79080), (1318, 59820), (1977, 39880), (1994, 39540), (2636, 29910), (2991, 26360), (3295, 23928), (3954, 19940), (3988, 19770), (4985, 15816), (5272, 14955), (5982, 13180), (6590, 11964), (7908, 9970), (7976, 9885)]