15890325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 30873024

約数和(自身を除く): 14982699

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 103, 121, 165, 187, 255, 275, 309, 363, 425, 515, 561, 605, 825, 935, 1133, 1275, 1545, 1751, 1815, 2057, 2575, 2805, 3025, 3399, 4675, 5253, 5665, 6171, 7725, 8755, 9075, 10285, 12463, 14025, 16995, 19261, 26265, 28325, 30855, 37389, 43775, 51425, 57783, 62315, 84975, 96305, 131325, 154275, 186945, 211871, 288915, 311575, 481525, 635613, 934725, 1059355, 1444575, 3178065, 5296775, 15890325]

約数ペア:

[(1, 15890325), (3, 5296775), (5, 3178065), (11, 1444575), (15, 1059355), (17, 934725), (25, 635613), (33, 481525), (51, 311575), (55, 288915), (75, 211871), (85, 186945), (103, 154275), (121, 131325), (165, 96305), (187, 84975), (255, 62315), (275, 57783), (309, 51425), (363, 43775), (425, 37389), (515, 30855), (561, 28325), (605, 26265), (825, 19261), (935, 16995), (1133, 14025), (1275, 12463), (1545, 10285), (1751, 9075), (1815, 8755), (2057, 7725), (2575, 6171), (2805, 5665), (3025, 5253), (3399, 4675)]