31312320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 168

約数和(自身を含む): 108210096

約数和(自身を除く): 76897776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 192, 193, 195, 208, 240, 260, 312, 320, 338, 386, 390, 416, 480, 507, 520, 579, 624, 676, 772, 780, 832, 845, 960, 965, 1014, 1040, 1158, 1248, 1352, 1544, 1560, 1690, 1930, 2028, 2080, 2316, 2496, 2509, 2535, 2704, 2895, 3088, 3120, 3380, 3860, 4056, 4160, 4632, 5018, 5070, 5408, 5790, 6176, 6240, 6760, 7527, 7720, 8112, 9264, 10036, 10140, 10816, 11580, 12352, 12480, 12545, 13520, 15054, 15440, 16224, 18528, 20072, 20280, 23160, 25090, 27040, 30108, 30880, 32448, 32617, 37056, 37635, 40144, 40560, 46320, 50180, 54080, 60216, 61760, 65234, 75270, 80288, 81120, 92640, 97851, 100360, 120432, 130468, 150540, 160576, 162240, 163085, 185280, 195702, 200720, 240864, 260936, 301080, 326170, 391404, 401440, 481728, 489255, 521872, 602160, 652340, 782808, 802880, 978510, 1043744, 1204320, 1304680, 1565616, 1957020, 2087488, 2408640, 2609360, 3131232, 3914040, 5218720, 6262464, 7828080, 10437440, 15656160, 31312320]

約数ペア:

[(1, 31312320), (2, 15656160), (3, 10437440), (4, 7828080), (5, 6262464), (6, 5218720), (8, 3914040), (10, 3131232), (12, 2609360), (13, 2408640), (15, 2087488), (16, 1957020), (20, 1565616), (24, 1304680), (26, 1204320), (30, 1043744), (32, 978510), (39, 802880), (40, 782808), (48, 652340), (52, 602160), (60, 521872), (64, 489255), (65, 481728), (78, 401440), (80, 391404), (96, 326170), (104, 301080), (120, 260936), (130, 240864), (156, 200720), (160, 195702), (169, 185280), (192, 163085), (193, 162240), (195, 160576), (208, 150540), (240, 130468), (260, 120432), (312, 100360), (320, 97851), (338, 92640), (386, 81120), (390, 80288), (416, 75270), (480, 65234), (507, 61760), (520, 60216), (579, 54080), (624, 50180), (676, 46320), (772, 40560), (780, 40144), (832, 37635), (845, 37056), (960, 32617), (965, 32448), (1014, 30880), (1040, 30108), (1158, 27040), (1248, 25090), (1352, 23160), (1544, 20280), (1560, 20072), (1690, 18528), (1930, 16224), (2028, 15440), (2080, 15054), (2316, 13520), (2496, 12545), (2509, 12480), (2535, 12352), (2704, 11580), (2895, 10816), (3088, 10140), (3120, 10036), (3380, 9264), (3860, 8112), (4056, 7720), (4160, 7527), (4632, 6760), (5018, 6240), (5070, 6176), (5408, 5790)]