138720564

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 359399040

約数和(自身を除く): 220678476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 241, 271, 354, 482, 531, 542, 708, 723, 813, 964, 1062, 1084, 1446, 1626, 2124, 2169, 2439, 2892, 3252, 4338, 4878, 8676, 9756, 14219, 15989, 28438, 31978, 42657, 47967, 56876, 63956, 65311, 85314, 95934, 127971, 130622, 143901, 170628, 191868, 195933, 255942, 261244, 287802, 391866, 511884, 575604, 587799, 783732, 1175598, 2351196, 3853349, 7706698, 11560047, 15413396, 23120094, 34680141, 46240188, 69360282, 138720564]

約数ペア:

[(1, 138720564), (2, 69360282), (3, 46240188), (4, 34680141), (6, 23120094), (9, 15413396), (12, 11560047), (18, 7706698), (36, 3853349), (59, 2351196), (118, 1175598), (177, 783732), (236, 587799), (241, 575604), (271, 511884), (354, 391866), (482, 287802), (531, 261244), (542, 255942), (708, 195933), (723, 191868), (813, 170628), (964, 143901), (1062, 130622), (1084, 127971), (1446, 95934), (1626, 85314), (2124, 65311), (2169, 63956), (2439, 56876), (2892, 47967), (3252, 42657), (4338, 31978), (4878, 28438), (8676, 15989), (9756, 14219)]