28320540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12757}}^1$

素因数の和:12806

約数の個数: 48

約数和(自身を含む): 81447072

約数和(自身を除く): 53126532

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, 12757, 25514, 38271, 51028, 63785, 76542, 127570, 153084, 191355, 255140, 382710, 472009, 765420, 944018, 1416027, 1888036, 2360045, 2832054, 4720090, 5664108, 7080135, 9440180, 14160270, 28320540]

約数ペア:

[(1, 28320540), (2, 14160270), (3, 9440180), (4, 7080135), (5, 5664108), (6, 4720090), (10, 2832054), (12, 2360045), (15, 1888036), (20, 1416027), (30, 944018), (37, 765420), (60, 472009), (74, 382710), (111, 255140), (148, 191355), (185, 153084), (222, 127570), (370, 76542), (444, 63785), (555, 51028), (740, 38271), (1110, 25514), (2220, 12757)]