220400280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{612223}}^1$

素因数の和:612240

約数の個数: 48

約数和(自身を含む): 716302080

約数和(自身を除く): 495901800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 612223, 1224446, 1836669, 2448892, 3061115, 3673338, 4897784, 5510007, 6122230, 7346676, 9183345, 11020014, 12244460, 14693352, 18366690, 22040028, 24488920, 27550035, 36733380, 44080056, 55100070, 73466760, 110200140, 220400280]

約数ペア:

[(1, 220400280), (2, 110200140), (3, 73466760), (4, 55100070), (5, 44080056), (6, 36733380), (8, 27550035), (9, 24488920), (10, 22040028), (12, 18366690), (15, 14693352), (18, 12244460), (20, 11020014), (24, 9183345), (30, 7346676), (36, 6122230), (40, 5510007), (45, 4897784), (60, 3673338), (72, 3061115), (90, 2448892), (120, 1836669), (180, 1224446), (360, 612223)]