12986940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{823}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 36546048

約数和(自身を除く): 23559108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 823, 1052, 1315, 1578, 1646, 2469, 2630, 3156, 3292, 3945, 4115, 4938, 5260, 7890, 8230, 9876, 12345, 15780, 16460, 24690, 49380, 216449, 432898, 649347, 865796, 1082245, 1298694, 2164490, 2597388, 3246735, 4328980, 6493470, 12986940]

約数ペア:

[(1, 12986940), (2, 6493470), (3, 4328980), (4, 3246735), (5, 2597388), (6, 2164490), (10, 1298694), (12, 1082245), (15, 865796), (20, 649347), (30, 432898), (60, 216449), (263, 49380), (526, 24690), (789, 16460), (823, 15780), (1052, 12345), (1315, 9876), (1578, 8230), (1646, 7890), (2469, 5260), (2630, 4938), (3156, 4115), (3292, 3945)]