64865680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6701}}^1$

素因数の和:6736

約数の個数: 60

約数和(自身を含む): 165794076

約数和(自身を除く): 100928396

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 6701, 9680, 13402, 26804, 33505, 53608, 67010, 73711, 107216, 134020, 147422, 268040, 294844, 368555, 536080, 589688, 737110, 810821, 1179376, 1474220, 1621642, 2948440, 3243284, 4054105, 5896880, 6486568, 8108210, 12973136, 16216420, 32432840, 64865680]

約数ペア:

[(1, 64865680), (2, 32432840), (4, 16216420), (5, 12973136), (8, 8108210), (10, 6486568), (11, 5896880), (16, 4054105), (20, 3243284), (22, 2948440), (40, 1621642), (44, 1474220), (55, 1179376), (80, 810821), (88, 737110), (110, 589688), (121, 536080), (176, 368555), (220, 294844), (242, 268040), (440, 147422), (484, 134020), (605, 107216), (880, 73711), (968, 67010), (1210, 53608), (1936, 33505), (2420, 26804), (4840, 13402), (6701, 9680)]