30238890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 81050112

約数和(自身を除く): 50811222

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1419, 2131, 2365, 2838, 4262, 4730, 6393, 7095, 10655, 12786, 14190, 21310, 23441, 31965, 46882, 63930, 70323, 91633, 117205, 140646, 183266, 234410, 274899, 351615, 458165, 549798, 703230, 916330, 1007963, 1374495, 2015926, 2748990, 3023889, 5039815, 6047778, 10079630, 15119445, 30238890]

約数ペア:

[(1, 30238890), (2, 15119445), (3, 10079630), (5, 6047778), (6, 5039815), (10, 3023889), (11, 2748990), (15, 2015926), (22, 1374495), (30, 1007963), (33, 916330), (43, 703230), (55, 549798), (66, 458165), (86, 351615), (110, 274899), (129, 234410), (165, 183266), (215, 140646), (258, 117205), (330, 91633), (430, 70323), (473, 63930), (645, 46882), (946, 31965), (1290, 23441), (1419, 21310), (2131, 14190), (2365, 12786), (2838, 10655), (4262, 7095), (4730, 6393)]