64168720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 120

約数和(自身を含む): 187612992

約数和(自身を除く): 123444272

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 947, 968, 1210, 1232, 1540, 1694, 1894, 1936, 2420, 3080, 3388, 3788, 4235, 4735, 4840, 6160, 6629, 6776, 7576, 8470, 9470, 9680, 10417, 13258, 13552, 15152, 16940, 18940, 20834, 26516, 33145, 33880, 37880, 41668, 52085, 53032, 66290, 67760, 72919, 75760, 83336, 104170, 106064, 114587, 132580, 145838, 166672, 208340, 229174, 265160, 291676, 364595, 416680, 458348, 530320, 572935, 583352, 729190, 802109, 833360, 916696, 1145870, 1166704, 1458380, 1604218, 1833392, 2291740, 2916760, 3208436, 4010545, 4583480, 5833520, 6416872, 8021090, 9166960, 12833744, 16042180, 32084360, 64168720]

約数ペア:

[(1, 64168720), (2, 32084360), (4, 16042180), (5, 12833744), (7, 9166960), (8, 8021090), (10, 6416872), (11, 5833520), (14, 4583480), (16, 4010545), (20, 3208436), (22, 2916760), (28, 2291740), (35, 1833392), (40, 1604218), (44, 1458380), (55, 1166704), (56, 1145870), (70, 916696), (77, 833360), (80, 802109), (88, 729190), (110, 583352), (112, 572935), (121, 530320), (140, 458348), (154, 416680), (176, 364595), (220, 291676), (242, 265160), (280, 229174), (308, 208340), (385, 166672), (440, 145838), (484, 132580), (560, 114587), (605, 106064), (616, 104170), (770, 83336), (847, 75760), (880, 72919), (947, 67760), (968, 66290), (1210, 53032), (1232, 52085), (1540, 41668), (1694, 37880), (1894, 33880), (1936, 33145), (2420, 26516), (3080, 20834), (3388, 18940), (3788, 16940), (4235, 15152), (4735, 13552), (4840, 13258), (6160, 10417), (6629, 9680), (6776, 9470), (7576, 8470)]