811580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 96

約数和(自身を含む): 2322432

約数和(自身を除く): 1510852

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 31, 34, 35, 44, 55, 62, 68, 70, 77, 85, 110, 119, 124, 140, 154, 155, 170, 187, 217, 220, 238, 308, 310, 340, 341, 374, 385, 434, 476, 527, 595, 620, 682, 748, 770, 868, 935, 1054, 1085, 1190, 1309, 1364, 1540, 1705, 1870, 2108, 2170, 2380, 2387, 2618, 2635, 3410, 3689, 3740, 4340, 4774, 5236, 5270, 5797, 6545, 6820, 7378, 9548, 10540, 11594, 11935, 13090, 14756, 18445, 23188, 23870, 26180, 28985, 36890, 40579, 47740, 57970, 73780, 81158, 115940, 162316, 202895, 405790, 811580]

約数ペア:

[(1, 811580), (2, 405790), (4, 202895), (5, 162316), (7, 115940), (10, 81158), (11, 73780), (14, 57970), (17, 47740), (20, 40579), (22, 36890), (28, 28985), (31, 26180), (34, 23870), (35, 23188), (44, 18445), (55, 14756), (62, 13090), (68, 11935), (70, 11594), (77, 10540), (85, 9548), (110, 7378), (119, 6820), (124, 6545), (140, 5797), (154, 5270), (155, 5236), (170, 4774), (187, 4340), (217, 3740), (220, 3689), (238, 3410), (308, 2635), (310, 2618), (340, 2387), (341, 2380), (374, 2170), (385, 2108), (434, 1870), (476, 1705), (527, 1540), (595, 1364), (620, 1309), (682, 1190), (748, 1085), (770, 1054), (868, 935)]