205122120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2161}}^1$

素因数の和:2295

約数の個数: 128

約数和(自身を含む): 709827840

約数和(自身を除く): 504705720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 113, 120, 140, 168, 210, 226, 280, 339, 420, 452, 565, 678, 791, 840, 904, 1130, 1356, 1582, 1695, 2161, 2260, 2373, 2712, 3164, 3390, 3955, 4322, 4520, 4746, 6328, 6483, 6780, 7910, 8644, 9492, 10805, 11865, 12966, 13560, 15127, 15820, 17288, 18984, 21610, 23730, 25932, 30254, 31640, 32415, 43220, 45381, 47460, 51864, 60508, 64830, 75635, 86440, 90762, 94920, 121016, 129660, 151270, 181524, 226905, 244193, 259320, 302540, 363048, 453810, 488386, 605080, 732579, 907620, 976772, 1220965, 1465158, 1709351, 1815240, 1953544, 2441930, 2930316, 3418702, 3662895, 4883860, 5128053, 5860632, 6837404, 7325790, 8546755, 9767720, 10256106, 13674808, 14651580, 17093510, 20512212, 25640265, 29303160, 34187020, 41024424, 51280530, 68374040, 102561060, 205122120]

約数ペア:

[(1, 205122120), (2, 102561060), (3, 68374040), (4, 51280530), (5, 41024424), (6, 34187020), (7, 29303160), (8, 25640265), (10, 20512212), (12, 17093510), (14, 14651580), (15, 13674808), (20, 10256106), (21, 9767720), (24, 8546755), (28, 7325790), (30, 6837404), (35, 5860632), (40, 5128053), (42, 4883860), (56, 3662895), (60, 3418702), (70, 2930316), (84, 2441930), (105, 1953544), (113, 1815240), (120, 1709351), (140, 1465158), (168, 1220965), (210, 976772), (226, 907620), (280, 732579), (339, 605080), (420, 488386), (452, 453810), (565, 363048), (678, 302540), (791, 259320), (840, 244193), (904, 226905), (1130, 181524), (1356, 151270), (1582, 129660), (1695, 121016), (2161, 94920), (2260, 90762), (2373, 86440), (2712, 75635), (3164, 64830), (3390, 60508), (3955, 51864), (4322, 47460), (4520, 45381), (4746, 43220), (6328, 32415), (6483, 31640), (6780, 30254), (7910, 25932), (8644, 23730), (9492, 21610), (10805, 18984), (11865, 17288), (12966, 15820), (13560, 15127)]