126681880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1361}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 308901600

約数和(自身を除く): 182219720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 179, 260, 358, 520, 716, 895, 1361, 1432, 1790, 2327, 2722, 3580, 4654, 5444, 6805, 7160, 9308, 10888, 11635, 13610, 17693, 18616, 23270, 27220, 35386, 46540, 54440, 70772, 88465, 93080, 141544, 176930, 243619, 353860, 487238, 707720, 974476, 1218095, 1948952, 2436190, 3167047, 4872380, 6334094, 9744760, 12668188, 15835235, 25336376, 31670470, 63340940, 126681880]

約数ペア:

[(1, 126681880), (2, 63340940), (4, 31670470), (5, 25336376), (8, 15835235), (10, 12668188), (13, 9744760), (20, 6334094), (26, 4872380), (40, 3167047), (52, 2436190), (65, 1948952), (104, 1218095), (130, 974476), (179, 707720), (260, 487238), (358, 353860), (520, 243619), (716, 176930), (895, 141544), (1361, 93080), (1432, 88465), (1790, 70772), (2327, 54440), (2722, 46540), (3580, 35386), (4654, 27220), (5444, 23270), (6805, 18616), (7160, 17693), (9308, 13610), (10888, 11635)]