178428420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1327}}^1$

素因数の和:1431

約数の個数: 120

約数和(自身を含む): 566907264

約数和(自身を除く): 388478844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 83, 90, 108, 135, 162, 166, 180, 249, 270, 324, 332, 405, 415, 498, 540, 747, 810, 830, 996, 1245, 1327, 1494, 1620, 1660, 2241, 2490, 2654, 2988, 3735, 3981, 4482, 4980, 5308, 6635, 6723, 7470, 7962, 8964, 11205, 11943, 13270, 13446, 14940, 15924, 19905, 22410, 23886, 26540, 26892, 33615, 35829, 39810, 44820, 47772, 59715, 67230, 71658, 79620, 107487, 110141, 119430, 134460, 143316, 179145, 214974, 220282, 238860, 330423, 358290, 429948, 440564, 537435, 550705, 660846, 716580, 991269, 1074870, 1101410, 1321692, 1652115, 1982538, 2149740, 2202820, 2973807, 3304230, 3965076, 4956345, 5947614, 6608460, 8921421, 9912690, 11895228, 14869035, 17842842, 19825380, 29738070, 35685684, 44607105, 59476140, 89214210, 178428420]

約数ペア:

[(1, 178428420), (2, 89214210), (3, 59476140), (4, 44607105), (5, 35685684), (6, 29738070), (9, 19825380), (10, 17842842), (12, 14869035), (15, 11895228), (18, 9912690), (20, 8921421), (27, 6608460), (30, 5947614), (36, 4956345), (45, 3965076), (54, 3304230), (60, 2973807), (81, 2202820), (83, 2149740), (90, 1982538), (108, 1652115), (135, 1321692), (162, 1101410), (166, 1074870), (180, 991269), (249, 716580), (270, 660846), (324, 550705), (332, 537435), (405, 440564), (415, 429948), (498, 358290), (540, 330423), (747, 238860), (810, 220282), (830, 214974), (996, 179145), (1245, 143316), (1327, 134460), (1494, 119430), (1620, 110141), (1660, 107487), (2241, 79620), (2490, 71658), (2654, 67230), (2988, 59715), (3735, 47772), (3981, 44820), (4482, 39810), (4980, 35829), (5308, 33615), (6635, 26892), (6723, 26540), (7470, 23886), (7962, 22410), (8964, 19905), (11205, 15924), (11943, 14940), (13270, 13446)]