2606780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 6498576

約数和(自身を除く): 3891796

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 164, 170, 187, 205, 220, 289, 340, 374, 410, 451, 578, 697, 748, 820, 902, 935, 1156, 1394, 1445, 1804, 1870, 2255, 2788, 2890, 3179, 3485, 3740, 4510, 5780, 6358, 6970, 7667, 9020, 11849, 12716, 13940, 15334, 15895, 23698, 30668, 31790, 38335, 47396, 59245, 63580, 76670, 118490, 130339, 153340, 236980, 260678, 521356, 651695, 1303390, 2606780]

約数ペア:

[(1, 2606780), (2, 1303390), (4, 651695), (5, 521356), (10, 260678), (11, 236980), (17, 153340), (20, 130339), (22, 118490), (34, 76670), (41, 63580), (44, 59245), (55, 47396), (68, 38335), (82, 31790), (85, 30668), (110, 23698), (164, 15895), (170, 15334), (187, 13940), (205, 12716), (220, 11849), (289, 9020), (340, 7667), (374, 6970), (410, 6358), (451, 5780), (578, 4510), (697, 3740), (748, 3485), (820, 3179), (902, 2890), (935, 2788), (1156, 2255), (1394, 1870), (1445, 1804)]