72910125

素因数分解:

$3^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 80

約数和(自身を含む): 143457600

約数和(自身を除く): 70547475

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 125, 135, 171, 225, 285, 375, 379, 405, 475, 513, 675, 855, 1125, 1137, 1425, 1539, 1895, 2025, 2375, 2565, 3375, 3411, 4275, 5685, 7125, 7201, 7695, 9475, 10125, 10233, 12825, 17055, 21375, 21603, 28425, 30699, 36005, 38475, 47375, 51165, 64125, 64809, 85275, 108015, 142125, 153495, 180025, 192375, 194427, 255825, 324045, 426375, 540075, 583281, 767475, 900125, 972135, 1279125, 1620225, 2700375, 2916405, 3837375, 4860675, 8101125, 14582025, 24303375, 72910125]

約数ペア:

[(1, 72910125), (3, 24303375), (5, 14582025), (9, 8101125), (15, 4860675), (19, 3837375), (25, 2916405), (27, 2700375), (45, 1620225), (57, 1279125), (75, 972135), (81, 900125), (95, 767475), (125, 583281), (135, 540075), (171, 426375), (225, 324045), (285, 255825), (375, 194427), (379, 192375), (405, 180025), (475, 153495), (513, 142125), (675, 108015), (855, 85275), (1125, 64809), (1137, 64125), (1425, 51165), (1539, 47375), (1895, 38475), (2025, 36005), (2375, 30699), (2565, 28425), (3375, 21603), (3411, 21375), (4275, 17055), (5685, 12825), (7125, 10233), (7201, 10125), (7695, 9475)]