70881075

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 145838880

約数和(自身を除く): 74957805

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 29, 45, 51, 71, 75, 81, 85, 87, 135, 145, 153, 213, 225, 255, 261, 355, 405, 425, 435, 459, 493, 639, 675, 725, 765, 783, 1065, 1207, 1275, 1305, 1377, 1479, 1775, 1917, 2025, 2059, 2175, 2295, 2349, 2465, 3195, 3621, 3825, 3915, 4437, 5325, 5751, 6035, 6177, 6525, 6885, 7395, 9585, 10295, 10863, 11475, 11745, 12325, 13311, 15975, 18105, 18531, 19575, 22185, 28755, 30175, 30885, 32589, 34425, 35003, 36975, 39933, 47925, 51475, 54315, 55593, 58725, 66555, 90525, 92655, 97767, 105009, 110925, 143775, 154425, 162945, 166779, 175015, 199665, 271575, 277965, 315027, 332775, 463275, 488835, 525045, 814725, 833895, 875075, 945081, 998325, 1389825, 1575135, 2444175, 2625225, 2835243, 4169475, 4725405, 7875675, 14176215, 23627025, 70881075]

約数ペア:

[(1, 70881075), (3, 23627025), (5, 14176215), (9, 7875675), (15, 4725405), (17, 4169475), (25, 2835243), (27, 2625225), (29, 2444175), (45, 1575135), (51, 1389825), (71, 998325), (75, 945081), (81, 875075), (85, 833895), (87, 814725), (135, 525045), (145, 488835), (153, 463275), (213, 332775), (225, 315027), (255, 277965), (261, 271575), (355, 199665), (405, 175015), (425, 166779), (435, 162945), (459, 154425), (493, 143775), (639, 110925), (675, 105009), (725, 97767), (765, 92655), (783, 90525), (1065, 66555), (1207, 58725), (1275, 55593), (1305, 54315), (1377, 51475), (1479, 47925), (1775, 39933), (1917, 36975), (2025, 35003), (2059, 34425), (2175, 32589), (2295, 30885), (2349, 30175), (2465, 28755), (3195, 22185), (3621, 19575), (3825, 18531), (3915, 18105), (4437, 15975), (5325, 13311), (5751, 12325), (6035, 11745), (6177, 11475), (6525, 10863), (6885, 10295), (7395, 9585)]