9130120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 21888000

約数和(自身を除く): 12757880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 199, 248, 296, 310, 370, 398, 620, 740, 796, 995, 1147, 1240, 1480, 1592, 1990, 2294, 3980, 4588, 5735, 6169, 7363, 7960, 9176, 11470, 12338, 14726, 22940, 24676, 29452, 30845, 36815, 45880, 49352, 58904, 61690, 73630, 123380, 147260, 228253, 246760, 294520, 456506, 913012, 1141265, 1826024, 2282530, 4565060, 9130120]

約数ペア:

[(1, 9130120), (2, 4565060), (4, 2282530), (5, 1826024), (8, 1141265), (10, 913012), (20, 456506), (31, 294520), (37, 246760), (40, 228253), (62, 147260), (74, 123380), (124, 73630), (148, 61690), (155, 58904), (185, 49352), (199, 45880), (248, 36815), (296, 30845), (310, 29452), (370, 24676), (398, 22940), (620, 14726), (740, 12338), (796, 11470), (995, 9176), (1147, 7960), (1240, 7363), (1480, 6169), (1592, 5735), (1990, 4588), (2294, 3980)]