131407120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4357}}^1$

素因数の和:4412

約数の個数: 80

約数和(自身を含む): 340446960

約数和(自身を除く): 209039840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 3016, 3770, 4357, 6032, 7540, 8714, 15080, 17428, 21785, 30160, 34856, 43570, 56641, 69712, 87140, 113282, 126353, 174280, 226564, 252706, 283205, 348560, 453128, 505412, 566410, 631765, 906256, 1010824, 1132820, 1263530, 1642589, 2021648, 2265640, 2527060, 3285178, 4531280, 5054120, 6570356, 8212945, 10108240, 13140712, 16425890, 26281424, 32851780, 65703560, 131407120]

約数ペア:

[(1, 131407120), (2, 65703560), (4, 32851780), (5, 26281424), (8, 16425890), (10, 13140712), (13, 10108240), (16, 8212945), (20, 6570356), (26, 5054120), (29, 4531280), (40, 3285178), (52, 2527060), (58, 2265640), (65, 2021648), (80, 1642589), (104, 1263530), (116, 1132820), (130, 1010824), (145, 906256), (208, 631765), (232, 566410), (260, 505412), (290, 453128), (377, 348560), (464, 283205), (520, 252706), (580, 226564), (754, 174280), (1040, 126353), (1160, 113282), (1508, 87140), (1885, 69712), (2320, 56641), (3016, 43570), (3770, 34856), (4357, 30160), (6032, 21785), (7540, 17428), (8714, 15080)]