31372920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 160

約数和(自身を含む): 110293920

約数和(自身を除く): 78921000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 270, 276, 324, 345, 360, 405, 414, 421, 460, 540, 552, 621, 648, 690, 810, 828, 842, 920, 1035, 1080, 1242, 1263, 1380, 1620, 1656, 1684, 1863, 2070, 2105, 2484, 2526, 2760, 3105, 3240, 3368, 3726, 3789, 4140, 4210, 4968, 5052, 6210, 6315, 7452, 7578, 8280, 8420, 9315, 9683, 10104, 11367, 12420, 12630, 14904, 15156, 16840, 18630, 18945, 19366, 22734, 24840, 25260, 29049, 30312, 34101, 37260, 37890, 38732, 45468, 48415, 50520, 56835, 58098, 68202, 74520, 75780, 77464, 87147, 90936, 96830, 113670, 116196, 136404, 145245, 151560, 170505, 174294, 193660, 227340, 232392, 261441, 272808, 290490, 341010, 348588, 387320, 435735, 454680, 522882, 580980, 682020, 697176, 784323, 871470, 1045764, 1161960, 1307205, 1364040, 1568646, 1742940, 2091528, 2614410, 3137292, 3485880, 3921615, 5228820, 6274584, 7843230, 10457640, 15686460, 31372920]

約数ペア:

[(1, 31372920), (2, 15686460), (3, 10457640), (4, 7843230), (5, 6274584), (6, 5228820), (8, 3921615), (9, 3485880), (10, 3137292), (12, 2614410), (15, 2091528), (18, 1742940), (20, 1568646), (23, 1364040), (24, 1307205), (27, 1161960), (30, 1045764), (36, 871470), (40, 784323), (45, 697176), (46, 682020), (54, 580980), (60, 522882), (69, 454680), (72, 435735), (81, 387320), (90, 348588), (92, 341010), (108, 290490), (115, 272808), (120, 261441), (135, 232392), (138, 227340), (162, 193660), (180, 174294), (184, 170505), (207, 151560), (216, 145245), (230, 136404), (270, 116196), (276, 113670), (324, 96830), (345, 90936), (360, 87147), (405, 77464), (414, 75780), (421, 74520), (460, 68202), (540, 58098), (552, 56835), (621, 50520), (648, 48415), (690, 45468), (810, 38732), (828, 37890), (842, 37260), (920, 34101), (1035, 30312), (1080, 29049), (1242, 25260), (1263, 24840), (1380, 22734), (1620, 19366), (1656, 18945), (1684, 18630), (1863, 16840), (2070, 15156), (2105, 14904), (2484, 12630), (2526, 12420), (2760, 11367), (3105, 10104), (3240, 9683), (3368, 9315), (3726, 8420), (3789, 8280), (4140, 7578), (4210, 7452), (4968, 6315), (5052, 6210)]