128500080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23279}}^1$

素因数の和:23318

約数の個数: 80

約数和(自身を含む): 415687680

約数和(自身を除く): 287187600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 23279, 46558, 69837, 93116, 116395, 139674, 186232, 232790, 279348, 349185, 372464, 465580, 535417, 558696, 698370, 931160, 1070834, 1117392, 1396740, 1606251, 1862320, 2141668, 2677085, 2793480, 3212502, 4283336, 5354170, 5586960, 6425004, 8031255, 8566672, 10708340, 12850008, 16062510, 21416680, 25700016, 32125020, 42833360, 64250040, 128500080]

約数ペア:

[(1, 128500080), (2, 64250040), (3, 42833360), (4, 32125020), (5, 25700016), (6, 21416680), (8, 16062510), (10, 12850008), (12, 10708340), (15, 8566672), (16, 8031255), (20, 6425004), (23, 5586960), (24, 5354170), (30, 4283336), (40, 3212502), (46, 2793480), (48, 2677085), (60, 2141668), (69, 1862320), (80, 1606251), (92, 1396740), (115, 1117392), (120, 1070834), (138, 931160), (184, 698370), (230, 558696), (240, 535417), (276, 465580), (345, 372464), (368, 349185), (460, 279348), (552, 232790), (690, 186232), (920, 139674), (1104, 116395), (1380, 93116), (1840, 69837), (2760, 46558), (5520, 23279)]