131617260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11987}}^1$

素因数の和:12063

約数の個数: 72

約数和(自身を含む): 405817776

約数和(自身を除く): 274200516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11987, 23974, 35961, 47948, 59935, 71922, 107883, 119870, 143844, 179805, 215766, 239740, 359610, 431532, 539415, 719220, 731207, 1078830, 1462414, 2157660, 2193621, 2924828, 3656035, 4387242, 6580863, 7312070, 8774484, 10968105, 13161726, 14624140, 21936210, 26323452, 32904315, 43872420, 65808630, 131617260]

約数ペア:

[(1, 131617260), (2, 65808630), (3, 43872420), (4, 32904315), (5, 26323452), (6, 21936210), (9, 14624140), (10, 13161726), (12, 10968105), (15, 8774484), (18, 7312070), (20, 6580863), (30, 4387242), (36, 3656035), (45, 2924828), (60, 2193621), (61, 2157660), (90, 1462414), (122, 1078830), (180, 731207), (183, 719220), (244, 539415), (305, 431532), (366, 359610), (549, 239740), (610, 215766), (732, 179805), (915, 143844), (1098, 119870), (1220, 107883), (1830, 71922), (2196, 59935), (2745, 47948), (3660, 35961), (5490, 23974), (10980, 11987)]