72180855

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 134784000

約数和(自身を除く): 62603145

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 103, 135, 145, 179, 261, 309, 435, 515, 537, 783, 895, 927, 1305, 1545, 1611, 2685, 2781, 2987, 3915, 4635, 4833, 5191, 8055, 8961, 13905, 14935, 15573, 18437, 24165, 25955, 26883, 44805, 46719, 55311, 77865, 80649, 92185, 134415, 140157, 165933, 233595, 276555, 403245, 497799, 534673, 700785, 829665, 1604019, 2488995, 2673365, 4812057, 8020095, 14436171, 24060285, 72180855]

約数ペア:

[(1, 72180855), (3, 24060285), (5, 14436171), (9, 8020095), (15, 4812057), (27, 2673365), (29, 2488995), (45, 1604019), (87, 829665), (103, 700785), (135, 534673), (145, 497799), (179, 403245), (261, 276555), (309, 233595), (435, 165933), (515, 140157), (537, 134415), (783, 92185), (895, 80649), (927, 77865), (1305, 55311), (1545, 46719), (1611, 44805), (2685, 26883), (2781, 25955), (2987, 24165), (3915, 18437), (4635, 15573), (4833, 14935), (5191, 13905), (8055, 8961)]