71308020

素因数分解:

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

素因数の和:202

約数の個数: 144

約数和(自身を含む): 236202624

約数和(自身を除く): 164894604

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 101, 105, 123, 140, 164, 202, 205, 210, 246, 287, 303, 404, 410, 420, 492, 505, 574, 606, 615, 707, 820, 861, 1010, 1148, 1212, 1230, 1414, 1435, 1515, 1681, 1722, 2020, 2121, 2460, 2828, 2870, 3030, 3362, 3444, 3535, 4141, 4242, 4305, 5043, 5740, 6060, 6724, 7070, 8282, 8405, 8484, 8610, 10086, 10605, 11767, 12423, 14140, 16564, 16810, 17220, 20172, 20705, 21210, 23534, 24846, 25215, 28987, 33620, 35301, 41410, 42420, 47068, 49692, 50430, 57974, 58835, 62115, 70602, 82820, 86961, 100860, 115948, 117670, 124230, 141204, 144935, 169781, 173922, 176505, 235340, 248460, 289870, 339562, 347844, 353010, 434805, 509343, 579740, 679124, 706020, 848905, 869610, 1018686, 1188467, 1697810, 1739220, 2037372, 2376934, 2546715, 3395620, 3565401, 4753868, 5093430, 5942335, 7130802, 10186860, 11884670, 14261604, 17827005, 23769340, 35654010, 71308020]

約数ペア:

[(1, 71308020), (2, 35654010), (3, 23769340), (4, 17827005), (5, 14261604), (6, 11884670), (7, 10186860), (10, 7130802), (12, 5942335), (14, 5093430), (15, 4753868), (20, 3565401), (21, 3395620), (28, 2546715), (30, 2376934), (35, 2037372), (41, 1739220), (42, 1697810), (60, 1188467), (70, 1018686), (82, 869610), (84, 848905), (101, 706020), (105, 679124), (123, 579740), (140, 509343), (164, 434805), (202, 353010), (205, 347844), (210, 339562), (246, 289870), (287, 248460), (303, 235340), (404, 176505), (410, 173922), (420, 169781), (492, 144935), (505, 141204), (574, 124230), (606, 117670), (615, 115948), (707, 100860), (820, 86961), (861, 82820), (1010, 70602), (1148, 62115), (1212, 58835), (1230, 57974), (1414, 50430), (1435, 49692), (1515, 47068), (1681, 42420), (1722, 41410), (2020, 35301), (2121, 33620), (2460, 28987), (2828, 25215), (2870, 24846), (3030, 23534), (3362, 21210), (3444, 20705), (3535, 20172), (4141, 17220), (4242, 16810), (4305, 16564), (5043, 14140), (5740, 12423), (6060, 11767), (6724, 10605), (7070, 10086), (8282, 8610), (8405, 8484)]