15535960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 42301440

約数和(自身を除く): 26765480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 67, 68, 85, 88, 110, 124, 134, 136, 155, 170, 187, 220, 248, 268, 310, 335, 340, 341, 374, 440, 527, 536, 620, 670, 680, 682, 737, 748, 935, 1054, 1139, 1240, 1340, 1364, 1474, 1496, 1705, 1870, 2077, 2108, 2278, 2635, 2680, 2728, 2948, 3410, 3685, 3740, 4154, 4216, 4556, 5270, 5695, 5797, 5896, 6820, 7370, 7480, 8308, 9112, 10385, 10540, 11390, 11594, 12529, 13640, 14740, 16616, 20770, 21080, 22780, 22847, 23188, 25058, 28985, 29480, 35309, 41540, 45560, 45694, 46376, 50116, 57970, 62645, 70618, 83080, 91388, 100232, 114235, 115940, 125290, 141236, 176545, 182776, 228470, 231880, 250580, 282472, 353090, 388399, 456940, 501160, 706180, 776798, 913880, 1412360, 1553596, 1941995, 3107192, 3883990, 7767980, 15535960]

約数ペア:

[(1, 15535960), (2, 7767980), (4, 3883990), (5, 3107192), (8, 1941995), (10, 1553596), (11, 1412360), (17, 913880), (20, 776798), (22, 706180), (31, 501160), (34, 456940), (40, 388399), (44, 353090), (55, 282472), (62, 250580), (67, 231880), (68, 228470), (85, 182776), (88, 176545), (110, 141236), (124, 125290), (134, 115940), (136, 114235), (155, 100232), (170, 91388), (187, 83080), (220, 70618), (248, 62645), (268, 57970), (310, 50116), (335, 46376), (340, 45694), (341, 45560), (374, 41540), (440, 35309), (527, 29480), (536, 28985), (620, 25058), (670, 23188), (680, 22847), (682, 22780), (737, 21080), (748, 20770), (935, 16616), (1054, 14740), (1139, 13640), (1240, 12529), (1340, 11594), (1364, 11390), (1474, 10540), (1496, 10385), (1705, 9112), (1870, 8308), (2077, 7480), (2108, 7370), (2278, 6820), (2635, 5896), (2680, 5797), (2728, 5695), (2948, 5270), (3410, 4556), (3685, 4216), (3740, 4154)]