1217990580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{7669}}^1$

素因数の和:10328

約数の個数: 48

約数和(自身を含む): 3412106880

約数和(自身を除く): 2194116300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2647, 5294, 7669, 7941, 10588, 13235, 15338, 15882, 23007, 26470, 30676, 31764, 38345, 39705, 46014, 52940, 76690, 79410, 92028, 115035, 153380, 158820, 230070, 460140, 20299843, 40599686, 60899529, 81199372, 101499215, 121799058, 202998430, 243598116, 304497645, 405996860, 608995290, 1217990580]

約数ペア:

[(1, 1217990580), (2, 608995290), (3, 405996860), (4, 304497645), (5, 243598116), (6, 202998430), (10, 121799058), (12, 101499215), (15, 81199372), (20, 60899529), (30, 40599686), (60, 20299843), (2647, 460140), (5294, 230070), (7669, 158820), (7941, 153380), (10588, 115035), (13235, 92028), (15338, 79410), (15882, 76690), (23007, 52940), (26470, 46014), (30676, 39705), (31764, 38345)]