265469680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20611}}^1$

素因数の和:20654

約数の個数: 80

約数和(自身を含む): 736095744

約数和(自身を除く): 470626064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 20611, 41222, 82444, 103055, 144277, 164888, 206110, 288554, 329776, 412220, 474053, 577108, 721385, 824440, 948106, 1154216, 1442770, 1648880, 1896212, 2308432, 2370265, 2885540, 3318371, 3792424, 4740530, 5771080, 6636742, 7584848, 9481060, 11542160, 13273484, 16591855, 18962120, 26546968, 33183710, 37924240, 53093936, 66367420, 132734840, 265469680]

約数ペア:

[(1, 265469680), (2, 132734840), (4, 66367420), (5, 53093936), (7, 37924240), (8, 33183710), (10, 26546968), (14, 18962120), (16, 16591855), (20, 13273484), (23, 11542160), (28, 9481060), (35, 7584848), (40, 6636742), (46, 5771080), (56, 4740530), (70, 3792424), (80, 3318371), (92, 2885540), (112, 2370265), (115, 2308432), (140, 1896212), (161, 1648880), (184, 1442770), (230, 1154216), (280, 948106), (322, 824440), (368, 721385), (460, 577108), (560, 474053), (644, 412220), (805, 329776), (920, 288554), (1288, 206110), (1610, 164888), (1840, 144277), (2576, 103055), (3220, 82444), (6440, 41222), (12880, 20611)]