18120120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4871}}^1$

素因数の和:4916

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 38005320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 4871, 9742, 14613, 19484, 24355, 29226, 38968, 48710, 58452, 73065, 97420, 116904, 146130, 151001, 194840, 292260, 302002, 453003, 584520, 604004, 755005, 906006, 1208008, 1510010, 1812012, 2265015, 3020020, 3624024, 4530030, 6040040, 9060060, 18120120]

約数ペア:

[(1, 18120120), (2, 9060060), (3, 6040040), (4, 4530030), (5, 3624024), (6, 3020020), (8, 2265015), (10, 1812012), (12, 1510010), (15, 1208008), (20, 906006), (24, 755005), (30, 604004), (31, 584520), (40, 453003), (60, 302002), (62, 292260), (93, 194840), (120, 151001), (124, 146130), (155, 116904), (186, 97420), (248, 73065), (310, 58452), (372, 48710), (465, 38968), (620, 29226), (744, 24355), (930, 19484), (1240, 14613), (1860, 9742), (3720, 4871)]