220162020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1181}}^1$

素因数の和:1445

約数の個数: 96

約数和(自身を含む): 667215360

約数和(自身を除く): 447053340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 239, 260, 390, 478, 717, 780, 956, 1181, 1195, 1434, 2362, 2390, 2868, 3107, 3543, 3585, 4724, 4780, 5905, 6214, 7086, 7170, 9321, 11810, 12428, 14172, 14340, 15353, 15535, 17715, 18642, 23620, 30706, 31070, 35430, 37284, 46059, 46605, 61412, 62140, 70860, 76765, 92118, 93210, 153530, 184236, 186420, 230295, 282259, 307060, 460590, 564518, 846777, 921180, 1129036, 1411295, 1693554, 2822590, 3387108, 3669367, 4233885, 5645180, 7338734, 8467770, 11008101, 14677468, 16935540, 18346835, 22016202, 36693670, 44032404, 55040505, 73387340, 110081010, 220162020]

約数ペア:

[(1, 220162020), (2, 110081010), (3, 73387340), (4, 55040505), (5, 44032404), (6, 36693670), (10, 22016202), (12, 18346835), (13, 16935540), (15, 14677468), (20, 11008101), (26, 8467770), (30, 7338734), (39, 5645180), (52, 4233885), (60, 3669367), (65, 3387108), (78, 2822590), (130, 1693554), (156, 1411295), (195, 1129036), (239, 921180), (260, 846777), (390, 564518), (478, 460590), (717, 307060), (780, 282259), (956, 230295), (1181, 186420), (1195, 184236), (1434, 153530), (2362, 93210), (2390, 92118), (2868, 76765), (3107, 70860), (3543, 62140), (3585, 61412), (4724, 46605), (4780, 46059), (5905, 37284), (6214, 35430), (7086, 31070), (7170, 30706), (9321, 23620), (11810, 18642), (12428, 17715), (14172, 15535), (14340, 15353)]