31121760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2860

約数の個数: 96

約数和(自身を含む): 102332160

約数和(自身を除く): 71210400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 2208, 2760, 2819, 3680, 5520, 5638, 8457, 11040, 11276, 14095, 16914, 22552, 28190, 33828, 42285, 45104, 56380, 64837, 67656, 84570, 90208, 112760, 129674, 135312, 169140, 194511, 225520, 259348, 270624, 324185, 338280, 389022, 451040, 518696, 648370, 676560, 778044, 972555, 1037392, 1296740, 1353120, 1556088, 1945110, 2074784, 2593480, 3112176, 3890220, 5186960, 6224352, 7780440, 10373920, 15560880, 31121760]

約数ペア:

[(1, 31121760), (2, 15560880), (3, 10373920), (4, 7780440), (5, 6224352), (6, 5186960), (8, 3890220), (10, 3112176), (12, 2593480), (15, 2074784), (16, 1945110), (20, 1556088), (23, 1353120), (24, 1296740), (30, 1037392), (32, 972555), (40, 778044), (46, 676560), (48, 648370), (60, 518696), (69, 451040), (80, 389022), (92, 338280), (96, 324185), (115, 270624), (120, 259348), (138, 225520), (160, 194511), (184, 169140), (230, 135312), (240, 129674), (276, 112760), (345, 90208), (368, 84570), (460, 67656), (480, 64837), (552, 56380), (690, 45104), (736, 42285), (920, 33828), (1104, 28190), (1380, 22552), (1840, 16914), (2208, 14095), (2760, 11276), (2819, 11040), (3680, 8457), (5520, 5638)]