87815760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{997}}^1$

素因数の和:1380

約数の個数: 80

約数和(自身を含む): 273244416

約数和(自身を除く): 185428656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 367, 734, 997, 1101, 1468, 1835, 1994, 2202, 2936, 2991, 3670, 3988, 4404, 4985, 5505, 5872, 5982, 7340, 7976, 8808, 9970, 11010, 11964, 14680, 14955, 15952, 17616, 19940, 22020, 23928, 29360, 29910, 39880, 44040, 47856, 59820, 79760, 88080, 119640, 239280, 365899, 731798, 1097697, 1463596, 1829495, 2195394, 2927192, 3658990, 4390788, 5488485, 5854384, 7317980, 8781576, 10976970, 14635960, 17563152, 21953940, 29271920, 43907880, 87815760]

約数ペア:

[(1, 87815760), (2, 43907880), (3, 29271920), (4, 21953940), (5, 17563152), (6, 14635960), (8, 10976970), (10, 8781576), (12, 7317980), (15, 5854384), (16, 5488485), (20, 4390788), (24, 3658990), (30, 2927192), (40, 2195394), (48, 1829495), (60, 1463596), (80, 1097697), (120, 731798), (240, 365899), (367, 239280), (734, 119640), (997, 88080), (1101, 79760), (1468, 59820), (1835, 47856), (1994, 44040), (2202, 39880), (2936, 29910), (2991, 29360), (3670, 23928), (3988, 22020), (4404, 19940), (4985, 17616), (5505, 15952), (5872, 14955), (5982, 14680), (7340, 11964), (7976, 11010), (8808, 9970)]