15690675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 36942080

約数和(自身を除く): 21251405

約数列:

[1, 3, 5, 7, 11, 13, 15, 19, 21, 25, 33, 35, 39, 55, 57, 65, 75, 77, 91, 95, 105, 121, 133, 143, 165, 175, 195, 209, 231, 247, 273, 275, 285, 325, 363, 385, 399, 429, 455, 475, 525, 605, 627, 665, 715, 741, 825, 847, 975, 1001, 1045, 1155, 1235, 1365, 1425, 1463, 1573, 1729, 1815, 1925, 1995, 2145, 2275, 2299, 2541, 2717, 3003, 3025, 3135, 3325, 3575, 3705, 4235, 4389, 4719, 5005, 5187, 5225, 5775, 6175, 6825, 6897, 7315, 7865, 8151, 8645, 9075, 9975, 10725, 11011, 11495, 12705, 13585, 15015, 15675, 16093, 18525, 19019, 21175, 21945, 23595, 25025, 25935, 29887, 33033, 34485, 36575, 39325, 40755, 43225, 48279, 55055, 57057, 57475, 63525, 67925, 75075, 80465, 89661, 95095, 109725, 117975, 129675, 149435, 165165, 172425, 203775, 209209, 241395, 275275, 285285, 402325, 448305, 475475, 627627, 747175, 825825, 1046045, 1206975, 1426425, 2241525, 3138135, 5230225, 15690675]

約数ペア:

[(1, 15690675), (3, 5230225), (5, 3138135), (7, 2241525), (11, 1426425), (13, 1206975), (15, 1046045), (19, 825825), (21, 747175), (25, 627627), (33, 475475), (35, 448305), (39, 402325), (55, 285285), (57, 275275), (65, 241395), (75, 209209), (77, 203775), (91, 172425), (95, 165165), (105, 149435), (121, 129675), (133, 117975), (143, 109725), (165, 95095), (175, 89661), (195, 80465), (209, 75075), (231, 67925), (247, 63525), (273, 57475), (275, 57057), (285, 55055), (325, 48279), (363, 43225), (385, 40755), (399, 39325), (429, 36575), (455, 34485), (475, 33033), (525, 29887), (605, 25935), (627, 25025), (665, 23595), (715, 21945), (741, 21175), (825, 19019), (847, 18525), (975, 16093), (1001, 15675), (1045, 15015), (1155, 13585), (1235, 12705), (1365, 11495), (1425, 11011), (1463, 10725), (1573, 9975), (1729, 9075), (1815, 8645), (1925, 8151), (1995, 7865), (2145, 7315), (2275, 6897), (2299, 6825), (2541, 6175), (2717, 5775), (3003, 5225), (3025, 5187), (3135, 5005), (3325, 4719), (3575, 4389), (3705, 4235)]