120721640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5399}}^1$

素因数の和:5466

約数の個数: 64

約数和(自身を含む): 299376000

約数和(自身を除く): 178654360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5399, 5590, 10798, 11180, 21596, 22360, 26995, 43192, 53990, 70187, 107980, 140374, 215960, 232157, 280748, 350935, 464314, 561496, 701870, 928628, 1160785, 1403740, 1857256, 2321570, 2807480, 3018041, 4643140, 6036082, 9286280, 12072164, 15090205, 24144328, 30180410, 60360820, 120721640]

約数ペア:

[(1, 120721640), (2, 60360820), (4, 30180410), (5, 24144328), (8, 15090205), (10, 12072164), (13, 9286280), (20, 6036082), (26, 4643140), (40, 3018041), (43, 2807480), (52, 2321570), (65, 1857256), (86, 1403740), (104, 1160785), (130, 928628), (172, 701870), (215, 561496), (260, 464314), (344, 350935), (430, 280748), (520, 232157), (559, 215960), (860, 140374), (1118, 107980), (1720, 70187), (2236, 53990), (2795, 43192), (4472, 26995), (5399, 22360), (5590, 21596), (10798, 11180)]