87397020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{997}}^1$

素因数の和:1499

約数の個数: 72

約数和(自身を含む): 265915104

約数和(自身を除く): 178518084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 997, 1461, 1948, 1994, 2435, 2922, 2991, 3988, 4383, 4870, 4985, 5844, 5982, 7305, 8766, 8973, 9740, 9970, 11964, 14610, 14955, 17532, 17946, 19940, 21915, 29220, 29910, 35892, 43830, 44865, 59820, 87660, 89730, 179460, 485539, 971078, 1456617, 1942156, 2427695, 2913234, 4369851, 4855390, 5826468, 7283085, 8739702, 9710780, 14566170, 17479404, 21849255, 29132340, 43698510, 87397020]

約数ペア:

[(1, 87397020), (2, 43698510), (3, 29132340), (4, 21849255), (5, 17479404), (6, 14566170), (9, 9710780), (10, 8739702), (12, 7283085), (15, 5826468), (18, 4855390), (20, 4369851), (30, 2913234), (36, 2427695), (45, 1942156), (60, 1456617), (90, 971078), (180, 485539), (487, 179460), (974, 89730), (997, 87660), (1461, 59820), (1948, 44865), (1994, 43830), (2435, 35892), (2922, 29910), (2991, 29220), (3988, 21915), (4383, 19940), (4870, 17946), (4985, 17532), (5844, 14955), (5982, 14610), (7305, 11964), (8766, 9970), (8973, 9740)]