312180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 983136

約数和(自身を除く): 670956

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 121, 129, 132, 165, 172, 215, 220, 242, 258, 330, 363, 430, 473, 484, 516, 605, 645, 660, 726, 860, 946, 1210, 1290, 1419, 1452, 1815, 1892, 2365, 2420, 2580, 2838, 3630, 4730, 5203, 5676, 7095, 7260, 9460, 10406, 14190, 15609, 20812, 26015, 28380, 31218, 52030, 62436, 78045, 104060, 156090, 312180]

約数ペア:

[(1, 312180), (2, 156090), (3, 104060), (4, 78045), (5, 62436), (6, 52030), (10, 31218), (11, 28380), (12, 26015), (15, 20812), (20, 15609), (22, 14190), (30, 10406), (33, 9460), (43, 7260), (44, 7095), (55, 5676), (60, 5203), (66, 4730), (86, 3630), (110, 2838), (121, 2580), (129, 2420), (132, 2365), (165, 1892), (172, 1815), (215, 1452), (220, 1419), (242, 1290), (258, 1210), (330, 946), (363, 860), (430, 726), (473, 660), (484, 645), (516, 605)]