115915820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 259911792

約数和(自身を除く): 143995972

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 163, 185, 310, 326, 370, 620, 652, 740, 815, 961, 1147, 1630, 1922, 2294, 3260, 3844, 4588, 4805, 5053, 5735, 6031, 9610, 10106, 11470, 12062, 19220, 20212, 22940, 24124, 25265, 30155, 35557, 50530, 60310, 71114, 101060, 120620, 142228, 156643, 177785, 186961, 313286, 355570, 373922, 626572, 711140, 747844, 783215, 934805, 1566430, 1869610, 3132860, 3739220, 5795791, 11591582, 23183164, 28978955, 57957910, 115915820]

約数ペア:

[(1, 115915820), (2, 57957910), (4, 28978955), (5, 23183164), (10, 11591582), (20, 5795791), (31, 3739220), (37, 3132860), (62, 1869610), (74, 1566430), (124, 934805), (148, 783215), (155, 747844), (163, 711140), (185, 626572), (310, 373922), (326, 355570), (370, 313286), (620, 186961), (652, 177785), (740, 156643), (815, 142228), (961, 120620), (1147, 101060), (1630, 71114), (1922, 60310), (2294, 50530), (3260, 35557), (3844, 30155), (4588, 25265), (4805, 24124), (5053, 22940), (5735, 20212), (6031, 19220), (9610, 12062), (10106, 11470)]