316215540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 985944960

約数和(自身を除く): 669729420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 109, 142, 180, 213, 218, 227, 284, 327, 355, 426, 436, 454, 545, 639, 654, 681, 710, 852, 908, 981, 1065, 1090, 1135, 1278, 1308, 1362, 1420, 1635, 1962, 2043, 2130, 2180, 2270, 2556, 2724, 3195, 3270, 3405, 3924, 4086, 4260, 4540, 4905, 6390, 6540, 6810, 7739, 8172, 9810, 10215, 12780, 13620, 15478, 16117, 19620, 20430, 23217, 24743, 30956, 32234, 38695, 40860, 46434, 48351, 49486, 64468, 69651, 74229, 77390, 80585, 92868, 96702, 98972, 116085, 123715, 139302, 145053, 148458, 154780, 161170, 193404, 222687, 232170, 241755, 247430, 278604, 290106, 296916, 322340, 348255, 371145, 445374, 464340, 483510, 494860, 580212, 696510, 725265, 742290, 890748, 967020, 1113435, 1393020, 1450530, 1484580, 1756753, 2226870, 2901060, 3513506, 4453740, 5270259, 7027012, 8783765, 10540518, 15810777, 17567530, 21081036, 26351295, 31621554, 35135060, 52702590, 63243108, 79053885, 105405180, 158107770, 316215540]

約数ペア:

[(1, 316215540), (2, 158107770), (3, 105405180), (4, 79053885), (5, 63243108), (6, 52702590), (9, 35135060), (10, 31621554), (12, 26351295), (15, 21081036), (18, 17567530), (20, 15810777), (30, 10540518), (36, 8783765), (45, 7027012), (60, 5270259), (71, 4453740), (90, 3513506), (109, 2901060), (142, 2226870), (180, 1756753), (213, 1484580), (218, 1450530), (227, 1393020), (284, 1113435), (327, 967020), (355, 890748), (426, 742290), (436, 725265), (454, 696510), (545, 580212), (639, 494860), (654, 483510), (681, 464340), (710, 445374), (852, 371145), (908, 348255), (981, 322340), (1065, 296916), (1090, 290106), (1135, 278604), (1278, 247430), (1308, 241755), (1362, 232170), (1420, 222687), (1635, 193404), (1962, 161170), (2043, 154780), (2130, 148458), (2180, 145053), (2270, 139302), (2556, 123715), (2724, 116085), (3195, 98972), (3270, 96702), (3405, 92868), (3924, 80585), (4086, 77390), (4260, 74229), (4540, 69651), (4905, 64468), (6390, 49486), (6540, 48351), (6810, 46434), (7739, 40860), (8172, 38695), (9810, 32234), (10215, 30956), (12780, 24743), (13620, 23217), (15478, 20430), (16117, 19620)]