31128720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2647}}^1$

素因数の和:2677

約数の個数: 120

約数和(自身を含む): 112296384

約数和(自身を除く): 81167664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2647, 2940, 3920, 5294, 5880, 7941, 10588, 11760, 13235, 15882, 18529, 21176, 26470, 31764, 37058, 39705, 42352, 52940, 55587, 63528, 74116, 79410, 92645, 105880, 111174, 127056, 129703, 148232, 158820, 185290, 211760, 222348, 259406, 277935, 296464, 317640, 370580, 389109, 444696, 518812, 555870, 635280, 648515, 741160, 778218, 889392, 1037624, 1111740, 1297030, 1482320, 1556436, 1945545, 2075248, 2223480, 2594060, 3112872, 3891090, 4446960, 5188120, 6225744, 7782180, 10376240, 15564360, 31128720]

約数ペア:

[(1, 31128720), (2, 15564360), (3, 10376240), (4, 7782180), (5, 6225744), (6, 5188120), (7, 4446960), (8, 3891090), (10, 3112872), (12, 2594060), (14, 2223480), (15, 2075248), (16, 1945545), (20, 1556436), (21, 1482320), (24, 1297030), (28, 1111740), (30, 1037624), (35, 889392), (40, 778218), (42, 741160), (48, 648515), (49, 635280), (56, 555870), (60, 518812), (70, 444696), (80, 389109), (84, 370580), (98, 317640), (105, 296464), (112, 277935), (120, 259406), (140, 222348), (147, 211760), (168, 185290), (196, 158820), (210, 148232), (240, 129703), (245, 127056), (280, 111174), (294, 105880), (336, 92645), (392, 79410), (420, 74116), (490, 63528), (560, 55587), (588, 52940), (735, 42352), (784, 39705), (840, 37058), (980, 31764), (1176, 26470), (1470, 21176), (1680, 18529), (1960, 15882), (2352, 13235), (2647, 11760), (2940, 10588), (3920, 7941), (5294, 5880)]