121289240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 281698560

約数和(自身を除く): 160409320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 151, 172, 215, 302, 344, 430, 467, 604, 755, 860, 934, 1208, 1510, 1720, 1868, 2335, 3020, 3736, 4670, 6040, 6493, 9340, 12986, 18680, 20081, 25972, 32465, 40162, 51944, 64930, 70517, 80324, 100405, 129860, 141034, 160648, 200810, 259720, 282068, 352585, 401620, 564136, 705170, 803240, 1410340, 2820680, 3032231, 6064462, 12128924, 15161155, 24257848, 30322310, 60644620, 121289240]

約数ペア:

[(1, 121289240), (2, 60644620), (4, 30322310), (5, 24257848), (8, 15161155), (10, 12128924), (20, 6064462), (40, 3032231), (43, 2820680), (86, 1410340), (151, 803240), (172, 705170), (215, 564136), (302, 401620), (344, 352585), (430, 282068), (467, 259720), (604, 200810), (755, 160648), (860, 141034), (934, 129860), (1208, 100405), (1510, 80324), (1720, 70517), (1868, 64930), (2335, 51944), (3020, 40162), (3736, 32465), (4670, 25972), (6040, 20081), (6493, 18680), (9340, 12986)]