12991150720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{882551}}^1$

素因数の和:882593

約数の個数: 64

約数和(自身を含む): 32407309440

約数和(自身を除く): 19416158720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 882551, 1765102, 3530204, 4412755, 7060408, 8825510, 14120816, 17651020, 20298673, 28241632, 35302040, 40597346, 56483264, 70604080, 81194692, 101493365, 112966528, 141208160, 162389384, 202986730, 282416320, 324778768, 405973460, 564832640, 649557536, 811946920, 1299115072, 1623893840, 2598230144, 3247787680, 6495575360, 12991150720]

約数ペア:

[(1, 12991150720), (2, 6495575360), (4, 3247787680), (5, 2598230144), (8, 1623893840), (10, 1299115072), (16, 811946920), (20, 649557536), (23, 564832640), (32, 405973460), (40, 324778768), (46, 282416320), (64, 202986730), (80, 162389384), (92, 141208160), (115, 112966528), (128, 101493365), (160, 81194692), (184, 70604080), (230, 56483264), (320, 40597346), (368, 35302040), (460, 28241632), (640, 20298673), (736, 17651020), (920, 14120816), (1472, 8825510), (1840, 7060408), (2944, 4412755), (3680, 3530204), (7360, 1765102), (14720, 882551)]