168391620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2131}}^1$

素因数の和:2585

約数の個数: 72

約数和(自身を含む): 512191680

約数和(自身を除く): 343800060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2131, 2195, 2634, 3951, 4262, 4390, 5268, 6393, 6585, 7902, 8524, 8780, 10655, 12786, 13170, 15804, 19179, 19755, 21310, 25572, 26340, 31965, 38358, 39510, 42620, 63930, 76716, 79020, 95895, 127860, 191790, 383580, 935509, 1871018, 2806527, 3742036, 4677545, 5613054, 8419581, 9355090, 11226108, 14032635, 16839162, 18710180, 28065270, 33678324, 42097905, 56130540, 84195810, 168391620]

約数ペア:

[(1, 168391620), (2, 84195810), (3, 56130540), (4, 42097905), (5, 33678324), (6, 28065270), (9, 18710180), (10, 16839162), (12, 14032635), (15, 11226108), (18, 9355090), (20, 8419581), (30, 5613054), (36, 4677545), (45, 3742036), (60, 2806527), (90, 1871018), (180, 935509), (439, 383580), (878, 191790), (1317, 127860), (1756, 95895), (2131, 79020), (2195, 76716), (2634, 63930), (3951, 42620), (4262, 39510), (4390, 38358), (5268, 31965), (6393, 26340), (6585, 25572), (7902, 21310), (8524, 19755), (8780, 19179), (10655, 15804), (12786, 13170)]