388864620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 1226953728

約数和(自身を除く): 838089108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 227, 279, 307, 310, 372, 454, 465, 558, 614, 620, 681, 908, 921, 930, 1116, 1135, 1228, 1362, 1395, 1535, 1842, 1860, 2043, 2270, 2724, 2763, 2790, 3070, 3405, 3684, 4086, 4540, 4605, 5526, 5580, 6140, 6810, 7037, 8172, 9210, 9517, 10215, 11052, 13620, 13815, 14074, 18420, 19034, 20430, 21111, 27630, 28148, 28551, 35185, 38068, 40860, 42222, 47585, 55260, 57102, 63333, 69689, 70370, 84444, 85653, 95170, 105555, 114204, 126666, 139378, 140740, 142755, 171306, 190340, 209067, 211110, 253332, 278756, 285510, 316665, 342612, 348445, 418134, 422220, 428265, 571020, 627201, 633330, 696890, 836268, 856530, 1045335, 1254402, 1266660, 1393780, 1713060, 2090670, 2160359, 2508804, 3136005, 4181340, 4320718, 6272010, 6481077, 8641436, 10801795, 12544020, 12962154, 19443231, 21603590, 25924308, 32405385, 38886462, 43207180, 64810770, 77772924, 97216155, 129621540, 194432310, 388864620]

約数ペア:

[(1, 388864620), (2, 194432310), (3, 129621540), (4, 97216155), (5, 77772924), (6, 64810770), (9, 43207180), (10, 38886462), (12, 32405385), (15, 25924308), (18, 21603590), (20, 19443231), (30, 12962154), (31, 12544020), (36, 10801795), (45, 8641436), (60, 6481077), (62, 6272010), (90, 4320718), (93, 4181340), (124, 3136005), (155, 2508804), (180, 2160359), (186, 2090670), (227, 1713060), (279, 1393780), (307, 1266660), (310, 1254402), (372, 1045335), (454, 856530), (465, 836268), (558, 696890), (614, 633330), (620, 627201), (681, 571020), (908, 428265), (921, 422220), (930, 418134), (1116, 348445), (1135, 342612), (1228, 316665), (1362, 285510), (1395, 278756), (1535, 253332), (1842, 211110), (1860, 209067), (2043, 190340), (2270, 171306), (2724, 142755), (2763, 140740), (2790, 139378), (3070, 126666), (3405, 114204), (3684, 105555), (4086, 95170), (4540, 85653), (4605, 84444), (5526, 70370), (5580, 69689), (6140, 63333), (6810, 57102), (7037, 55260), (8172, 47585), (9210, 42222), (9517, 40860), (10215, 38068), (11052, 35185), (13620, 28551), (13815, 28148), (14074, 27630), (18420, 21111), (19034, 20430)]