31819920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:753

約数の個数: 160

約数和(自身を含む): 114099840

約数和(自身を除く): 82279920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 440, 510, 528, 561, 660, 680, 709, 748, 816, 880, 935, 1020, 1122, 1320, 1360, 1418, 1496, 1870, 2040, 2127, 2244, 2640, 2805, 2836, 2992, 3545, 3740, 4080, 4254, 4488, 5610, 5672, 7090, 7480, 7799, 8508, 8976, 10635, 11220, 11344, 12053, 14180, 14960, 15598, 17016, 21270, 22440, 23397, 24106, 28360, 31196, 34032, 36159, 38995, 42540, 44880, 46794, 48212, 56720, 60265, 62392, 72318, 77990, 85080, 93588, 96424, 116985, 120530, 124784, 132583, 144636, 155980, 170160, 180795, 187176, 192848, 233970, 241060, 265166, 289272, 311960, 361590, 374352, 397749, 467940, 482120, 530332, 578544, 623920, 662915, 723180, 795498, 935880, 964240, 1060664, 1325830, 1446360, 1590996, 1871760, 1988745, 2121328, 2651660, 2892720, 3181992, 3977490, 5303320, 6363984, 7954980, 10606640, 15909960, 31819920]

約数ペア:

[(1, 31819920), (2, 15909960), (3, 10606640), (4, 7954980), (5, 6363984), (6, 5303320), (8, 3977490), (10, 3181992), (11, 2892720), (12, 2651660), (15, 2121328), (16, 1988745), (17, 1871760), (20, 1590996), (22, 1446360), (24, 1325830), (30, 1060664), (33, 964240), (34, 935880), (40, 795498), (44, 723180), (48, 662915), (51, 623920), (55, 578544), (60, 530332), (66, 482120), (68, 467940), (80, 397749), (85, 374352), (88, 361590), (102, 311960), (110, 289272), (120, 265166), (132, 241060), (136, 233970), (165, 192848), (170, 187176), (176, 180795), (187, 170160), (204, 155980), (220, 144636), (240, 132583), (255, 124784), (264, 120530), (272, 116985), (330, 96424), (340, 93588), (374, 85080), (408, 77990), (440, 72318), (510, 62392), (528, 60265), (561, 56720), (660, 48212), (680, 46794), (709, 44880), (748, 42540), (816, 38995), (880, 36159), (935, 34032), (1020, 31196), (1122, 28360), (1320, 24106), (1360, 23397), (1418, 22440), (1496, 21270), (1870, 17016), (2040, 15598), (2127, 14960), (2244, 14180), (2640, 12053), (2805, 11344), (2836, 11220), (2992, 10635), (3545, 8976), (3740, 8508), (4080, 7799), (4254, 7480), (4488, 7090), (5610, 5672)]