68755720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 169646400

約数和(自身を除く): 100890680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 307, 440, 509, 614, 1018, 1228, 1535, 2036, 2456, 2545, 3070, 3377, 4072, 5090, 5599, 6140, 6754, 10180, 11198, 12280, 13508, 16885, 20360, 22396, 27016, 27995, 33770, 44792, 55990, 67540, 111980, 135080, 156263, 223960, 312526, 625052, 781315, 1250104, 1562630, 1718893, 3125260, 3437786, 6250520, 6875572, 8594465, 13751144, 17188930, 34377860, 68755720]

約数ペア:

[(1, 68755720), (2, 34377860), (4, 17188930), (5, 13751144), (8, 8594465), (10, 6875572), (11, 6250520), (20, 3437786), (22, 3125260), (40, 1718893), (44, 1562630), (55, 1250104), (88, 781315), (110, 625052), (220, 312526), (307, 223960), (440, 156263), (509, 135080), (614, 111980), (1018, 67540), (1228, 55990), (1535, 44792), (2036, 33770), (2456, 27995), (2545, 27016), (3070, 22396), (3377, 20360), (4072, 16885), (5090, 13508), (5599, 12280), (6140, 11198), (6754, 10180)]