8908440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 27185760

約数和(自身を除く): 18277320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1217, 1220, 1464, 1830, 2434, 2440, 3651, 3660, 4868, 6085, 7302, 7320, 9736, 12170, 14604, 18255, 24340, 29208, 36510, 48680, 73020, 74237, 146040, 148474, 222711, 296948, 371185, 445422, 593896, 742370, 890844, 1113555, 1484740, 1781688, 2227110, 2969480, 4454220, 8908440]

約数ペア:

[(1, 8908440), (2, 4454220), (3, 2969480), (4, 2227110), (5, 1781688), (6, 1484740), (8, 1113555), (10, 890844), (12, 742370), (15, 593896), (20, 445422), (24, 371185), (30, 296948), (40, 222711), (60, 148474), (61, 146040), (120, 74237), (122, 73020), (183, 48680), (244, 36510), (305, 29208), (366, 24340), (488, 18255), (610, 14604), (732, 12170), (915, 9736), (1217, 7320), (1220, 7302), (1464, 6085), (1830, 4868), (2434, 3660), (2440, 3651)]