72820620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:669

約数の個数: 120

約数和(自身を含む): 231739200

約数和(自身を除く): 158918580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 270, 316, 324, 395, 405, 474, 540, 569, 711, 790, 810, 948, 1138, 1185, 1422, 1580, 1620, 1707, 2133, 2276, 2370, 2844, 2845, 3414, 3555, 4266, 4740, 5121, 5690, 6399, 6828, 7110, 8532, 8535, 10242, 10665, 11380, 12798, 14220, 15363, 17070, 20484, 21330, 25596, 25605, 30726, 31995, 34140, 42660, 44951, 46089, 51210, 61452, 63990, 76815, 89902, 92178, 102420, 127980, 134853, 153630, 179804, 184356, 224755, 230445, 269706, 307260, 404559, 449510, 460890, 539412, 674265, 809118, 899020, 921780, 1213677, 1348530, 1618236, 2022795, 2427354, 2697060, 3641031, 4045590, 4854708, 6068385, 7282062, 8091180, 12136770, 14564124, 18205155, 24273540, 36410310, 72820620]

約数ペア:

[(1, 72820620), (2, 36410310), (3, 24273540), (4, 18205155), (5, 14564124), (6, 12136770), (9, 8091180), (10, 7282062), (12, 6068385), (15, 4854708), (18, 4045590), (20, 3641031), (27, 2697060), (30, 2427354), (36, 2022795), (45, 1618236), (54, 1348530), (60, 1213677), (79, 921780), (81, 899020), (90, 809118), (108, 674265), (135, 539412), (158, 460890), (162, 449510), (180, 404559), (237, 307260), (270, 269706), (316, 230445), (324, 224755), (395, 184356), (405, 179804), (474, 153630), (540, 134853), (569, 127980), (711, 102420), (790, 92178), (810, 89902), (948, 76815), (1138, 63990), (1185, 61452), (1422, 51210), (1580, 46089), (1620, 44951), (1707, 42660), (2133, 34140), (2276, 31995), (2370, 30726), (2844, 25605), (2845, 25596), (3414, 21330), (3555, 20484), (4266, 17070), (4740, 15363), (5121, 14220), (5690, 12798), (6399, 11380), (6828, 10665), (7110, 10242), (8532, 8535)]