81743340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 276369408

約数和(自身を除く): 194626068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 47, 60, 70, 82, 84, 94, 101, 105, 123, 140, 141, 164, 188, 202, 205, 210, 235, 246, 282, 287, 303, 329, 404, 410, 420, 470, 492, 505, 564, 574, 606, 615, 658, 705, 707, 820, 861, 940, 987, 1010, 1148, 1212, 1230, 1316, 1410, 1414, 1435, 1515, 1645, 1722, 1927, 1974, 2020, 2121, 2460, 2820, 2828, 2870, 3030, 3290, 3444, 3535, 3854, 3948, 4141, 4242, 4305, 4747, 4935, 5740, 5781, 6060, 6580, 7070, 7708, 8282, 8484, 8610, 9494, 9635, 9870, 10605, 11562, 12423, 13489, 14140, 14241, 16564, 17220, 18988, 19270, 19740, 20705, 21210, 23124, 23735, 24846, 26978, 28482, 28905, 28987, 33229, 38540, 40467, 41410, 42420, 47470, 49692, 53956, 56964, 57810, 57974, 62115, 66458, 67445, 71205, 80934, 82820, 86961, 94940, 99687, 115620, 115948, 124230, 132916, 134890, 142410, 144935, 161868, 166145, 173922, 194627, 199374, 202335, 248460, 269780, 284820, 289870, 332290, 347844, 389254, 398748, 404670, 434805, 498435, 579740, 583881, 664580, 778508, 809340, 869610, 973135, 996870, 1167762, 1362389, 1739220, 1946270, 1993740, 2335524, 2724778, 2919405, 3892540, 4087167, 5449556, 5838810, 6811945, 8174334, 11677620, 13623890, 16348668, 20435835, 27247780, 40871670, 81743340]

約数ペア:

[(1, 81743340), (2, 40871670), (3, 27247780), (4, 20435835), (5, 16348668), (6, 13623890), (7, 11677620), (10, 8174334), (12, 6811945), (14, 5838810), (15, 5449556), (20, 4087167), (21, 3892540), (28, 2919405), (30, 2724778), (35, 2335524), (41, 1993740), (42, 1946270), (47, 1739220), (60, 1362389), (70, 1167762), (82, 996870), (84, 973135), (94, 869610), (101, 809340), (105, 778508), (123, 664580), (140, 583881), (141, 579740), (164, 498435), (188, 434805), (202, 404670), (205, 398748), (210, 389254), (235, 347844), (246, 332290), (282, 289870), (287, 284820), (303, 269780), (329, 248460), (404, 202335), (410, 199374), (420, 194627), (470, 173922), (492, 166145), (505, 161868), (564, 144935), (574, 142410), (606, 134890), (615, 132916), (658, 124230), (705, 115948), (707, 115620), (820, 99687), (861, 94940), (940, 86961), (987, 82820), (1010, 80934), (1148, 71205), (1212, 67445), (1230, 66458), (1316, 62115), (1410, 57974), (1414, 57810), (1435, 56964), (1515, 53956), (1645, 49692), (1722, 47470), (1927, 42420), (1974, 41410), (2020, 40467), (2121, 38540), (2460, 33229), (2820, 28987), (2828, 28905), (2870, 28482), (3030, 26978), (3290, 24846), (3444, 23735), (3535, 23124), (3854, 21210), (3948, 20705), (4141, 19740), (4242, 19270), (4305, 18988), (4747, 17220), (4935, 16564), (5740, 14241), (5781, 14140), (6060, 13489), (6580, 12423), (7070, 11562), (7708, 10605), (8282, 9870), (8484, 9635), (8610, 9494)]