16978720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{877}}^1$

素因数の和:914

約数の個数: 72

約数和(自身を含む): 44140572

約数和(自身を除く): 27161852

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 877, 880, 968, 1210, 1754, 1760, 1936, 2420, 3508, 3872, 4385, 4840, 7016, 8770, 9647, 9680, 14032, 17540, 19294, 19360, 28064, 35080, 38588, 48235, 70160, 77176, 96470, 106117, 140320, 154352, 192940, 212234, 308704, 385880, 424468, 530585, 771760, 848936, 1061170, 1543520, 1697872, 2122340, 3395744, 4244680, 8489360, 16978720]

約数ペア:

[(1, 16978720), (2, 8489360), (4, 4244680), (5, 3395744), (8, 2122340), (10, 1697872), (11, 1543520), (16, 1061170), (20, 848936), (22, 771760), (32, 530585), (40, 424468), (44, 385880), (55, 308704), (80, 212234), (88, 192940), (110, 154352), (121, 140320), (160, 106117), (176, 96470), (220, 77176), (242, 70160), (352, 48235), (440, 38588), (484, 35080), (605, 28064), (877, 19360), (880, 19294), (968, 17540), (1210, 14032), (1754, 9680), (1760, 9647), (1936, 8770), (2420, 7016), (3508, 4840), (3872, 4385)]