28768980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12959}}^1$

素因数の和:13008

約数の個数: 48

約数和(自身を含む): 82736640

約数和(自身を除く): 53967660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 12959, 25918, 38877, 51836, 64795, 77754, 129590, 155508, 194385, 259180, 388770, 479483, 777540, 958966, 1438449, 1917932, 2397415, 2876898, 4794830, 5753796, 7192245, 9589660, 14384490, 28768980]

約数ペア:

[(1, 28768980), (2, 14384490), (3, 9589660), (4, 7192245), (5, 5753796), (6, 4794830), (10, 2876898), (12, 2397415), (15, 1917932), (20, 1438449), (30, 958966), (37, 777540), (60, 479483), (74, 388770), (111, 259180), (148, 194385), (185, 155508), (222, 129590), (370, 77754), (444, 64795), (555, 51836), (740, 38877), (1110, 25918), (2220, 12959)]