65438660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 168080640

約数和(自身を除く): 102641980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 73, 76, 95, 133, 140, 146, 190, 266, 292, 337, 365, 380, 511, 532, 665, 674, 730, 1022, 1330, 1348, 1387, 1460, 1685, 2044, 2359, 2555, 2660, 2774, 3370, 4718, 5110, 5548, 6403, 6740, 6935, 9436, 9709, 10220, 11795, 12806, 13870, 19418, 23590, 24601, 25612, 27740, 32015, 38836, 44821, 47180, 48545, 49202, 64030, 89642, 97090, 98404, 123005, 128060, 172207, 179284, 194180, 224105, 246010, 344414, 448210, 467419, 492020, 688828, 861035, 896420, 934838, 1722070, 1869676, 2337095, 3271933, 3444140, 4674190, 6543866, 9348380, 13087732, 16359665, 32719330, 65438660]

約数ペア:

[(1, 65438660), (2, 32719330), (4, 16359665), (5, 13087732), (7, 9348380), (10, 6543866), (14, 4674190), (19, 3444140), (20, 3271933), (28, 2337095), (35, 1869676), (38, 1722070), (70, 934838), (73, 896420), (76, 861035), (95, 688828), (133, 492020), (140, 467419), (146, 448210), (190, 344414), (266, 246010), (292, 224105), (337, 194180), (365, 179284), (380, 172207), (511, 128060), (532, 123005), (665, 98404), (674, 97090), (730, 89642), (1022, 64030), (1330, 49202), (1348, 48545), (1387, 47180), (1460, 44821), (1685, 38836), (2044, 32015), (2359, 27740), (2555, 25612), (2660, 24601), (2774, 23590), (3370, 19418), (4718, 13870), (5110, 12806), (5548, 11795), (6403, 10220), (6740, 9709), (6935, 9436)]