87127830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{997}}^1$

素因数の和:1981

約数の個数: 48

約数和(自身を含む): 226993104

約数和(自身を除く): 139865274

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 971, 997, 1942, 1994, 2913, 2991, 4855, 4985, 5826, 5982, 8739, 8973, 9710, 9970, 14565, 14955, 17478, 17946, 29130, 29910, 43695, 44865, 87390, 89730, 968087, 1936174, 2904261, 4840435, 5808522, 8712783, 9680870, 14521305, 17425566, 29042610, 43563915, 87127830]

約数ペア:

[(1, 87127830), (2, 43563915), (3, 29042610), (5, 17425566), (6, 14521305), (9, 9680870), (10, 8712783), (15, 5808522), (18, 4840435), (30, 2904261), (45, 1936174), (90, 968087), (971, 89730), (997, 87390), (1942, 44865), (1994, 43695), (2913, 29910), (2991, 29130), (4855, 17946), (4985, 17478), (5826, 14955), (5982, 14565), (8739, 9970), (8973, 9710)]