664281640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1571}}^1$

素因数の和:1655

約数の個数: 96

約数和(自身を含む): 1685875680

約数和(自身を除く): 1021594040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 961, 1240, 1364, 1571, 1705, 1922, 2728, 3142, 3410, 3844, 4805, 6284, 6820, 7688, 7855, 9610, 10571, 12568, 13640, 15710, 17281, 19220, 21142, 31420, 34562, 38440, 42284, 48701, 52855, 62840, 69124, 84568, 86405, 97402, 105710, 138248, 172810, 194804, 211420, 243505, 345620, 389608, 422840, 487010, 535711, 691240, 974020, 1071422, 1509731, 1948040, 2142844, 2678555, 3019462, 4285688, 5357110, 6038924, 7548655, 10714220, 12077848, 15097310, 16607041, 21428440, 30194620, 33214082, 60389240, 66428164, 83035205, 132856328, 166070410, 332140820, 664281640]

約数ペア:

[(1, 664281640), (2, 332140820), (4, 166070410), (5, 132856328), (8, 83035205), (10, 66428164), (11, 60389240), (20, 33214082), (22, 30194620), (31, 21428440), (40, 16607041), (44, 15097310), (55, 12077848), (62, 10714220), (88, 7548655), (110, 6038924), (124, 5357110), (155, 4285688), (220, 3019462), (248, 2678555), (310, 2142844), (341, 1948040), (440, 1509731), (620, 1071422), (682, 974020), (961, 691240), (1240, 535711), (1364, 487010), (1571, 422840), (1705, 389608), (1922, 345620), (2728, 243505), (3142, 211420), (3410, 194804), (3844, 172810), (4805, 138248), (6284, 105710), (6820, 97402), (7688, 86405), (7855, 84568), (9610, 69124), (10571, 62840), (12568, 52855), (13640, 48701), (15710, 42284), (17281, 38440), (19220, 34562), (21142, 31420)]