81834720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1409}}^1$

素因数の和:1449

約数の個数: 144

約数和(自身を含む): 283545360

約数和(自身を除く): 201710640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 440, 480, 484, 528, 605, 660, 726, 880, 968, 1056, 1210, 1320, 1409, 1452, 1760, 1815, 1936, 2420, 2640, 2818, 2904, 3630, 3872, 4227, 4840, 5280, 5636, 5808, 7045, 7260, 8454, 9680, 11272, 11616, 14090, 14520, 15499, 16908, 19360, 21135, 22544, 28180, 29040, 30998, 33816, 42270, 45088, 46497, 56360, 58080, 61996, 67632, 77495, 84540, 92994, 112720, 123992, 135264, 154990, 169080, 170489, 185988, 225440, 232485, 247984, 309980, 338160, 340978, 371976, 464970, 495968, 511467, 619960, 676320, 681956, 743952, 852445, 929940, 1022934, 1239920, 1363912, 1487904, 1704890, 1859880, 2045868, 2479840, 2557335, 2727824, 3409780, 3719760, 4091736, 5114670, 5455648, 6819560, 7439520, 8183472, 10229340, 13639120, 16366944, 20458680, 27278240, 40917360, 81834720]

約数ペア:

[(1, 81834720), (2, 40917360), (3, 27278240), (4, 20458680), (5, 16366944), (6, 13639120), (8, 10229340), (10, 8183472), (11, 7439520), (12, 6819560), (15, 5455648), (16, 5114670), (20, 4091736), (22, 3719760), (24, 3409780), (30, 2727824), (32, 2557335), (33, 2479840), (40, 2045868), (44, 1859880), (48, 1704890), (55, 1487904), (60, 1363912), (66, 1239920), (80, 1022934), (88, 929940), (96, 852445), (110, 743952), (120, 681956), (121, 676320), (132, 619960), (160, 511467), (165, 495968), (176, 464970), (220, 371976), (240, 340978), (242, 338160), (264, 309980), (330, 247984), (352, 232485), (363, 225440), (440, 185988), (480, 170489), (484, 169080), (528, 154990), (605, 135264), (660, 123992), (726, 112720), (880, 92994), (968, 84540), (1056, 77495), (1210, 67632), (1320, 61996), (1409, 58080), (1452, 56360), (1760, 46497), (1815, 45088), (1936, 42270), (2420, 33816), (2640, 30998), (2818, 29040), (2904, 28180), (3630, 22544), (3872, 21135), (4227, 19360), (4840, 16908), (5280, 15499), (5636, 14520), (5808, 14090), (7045, 11616), (7260, 11272), (8454, 9680)]