156668380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1579}}^1$

素因数の和:1651

約数の個数: 72

約数和(自身を含む): 370686960

約数和(自身を除く): 214018580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 451, 484, 605, 820, 902, 1210, 1579, 1804, 2255, 2420, 3158, 4510, 4961, 6316, 7895, 9020, 9922, 15790, 17369, 19844, 24805, 31580, 34738, 49610, 64739, 69476, 86845, 99220, 129478, 173690, 191059, 258956, 323695, 347380, 382118, 647390, 712129, 764236, 955295, 1294780, 1424258, 1910590, 2848516, 3560645, 3821180, 7121290, 7833419, 14242580, 15666838, 31333676, 39167095, 78334190, 156668380]

約数ペア:

[(1, 156668380), (2, 78334190), (4, 39167095), (5, 31333676), (10, 15666838), (11, 14242580), (20, 7833419), (22, 7121290), (41, 3821180), (44, 3560645), (55, 2848516), (82, 1910590), (110, 1424258), (121, 1294780), (164, 955295), (205, 764236), (220, 712129), (242, 647390), (410, 382118), (451, 347380), (484, 323695), (605, 258956), (820, 191059), (902, 173690), (1210, 129478), (1579, 99220), (1804, 86845), (2255, 69476), (2420, 64739), (3158, 49610), (4510, 34738), (4961, 31580), (6316, 24805), (7895, 19844), (9020, 17369), (9922, 15790)]