66954580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6211}}^1$

素因数の和:6245

約数の個数: 72

約数和(自身を含む): 178458336

約数和(自身を除く): 111503756

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6211, 10780, 12422, 24844, 31055, 43477, 62110, 68321, 86954, 124220, 136642, 173908, 217385, 273284, 304339, 341605, 434770, 478247, 608678, 683210, 869540, 956494, 1217356, 1366420, 1521695, 1912988, 2391235, 3043390, 3347729, 4782470, 6086780, 6695458, 9564940, 13390916, 16738645, 33477290, 66954580]

約数ペア:

[(1, 66954580), (2, 33477290), (4, 16738645), (5, 13390916), (7, 9564940), (10, 6695458), (11, 6086780), (14, 4782470), (20, 3347729), (22, 3043390), (28, 2391235), (35, 1912988), (44, 1521695), (49, 1366420), (55, 1217356), (70, 956494), (77, 869540), (98, 683210), (110, 608678), (140, 478247), (154, 434770), (196, 341605), (220, 304339), (245, 273284), (308, 217385), (385, 173908), (490, 136642), (539, 124220), (770, 86954), (980, 68321), (1078, 62110), (1540, 43477), (2156, 31055), (2695, 24844), (5390, 12422), (6211, 10780)]