30159780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71809}}^1$

素因数の和:71828

約数の個数: 48

約数和(自身を含む): 96512640

約数和(自身を除く): 66352860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 71809, 143618, 215427, 287236, 359045, 430854, 502663, 718090, 861708, 1005326, 1077135, 1436180, 1507989, 2010652, 2154270, 2513315, 3015978, 4308540, 5026630, 6031956, 7539945, 10053260, 15079890, 30159780]

約数ペア:

[(1, 30159780), (2, 15079890), (3, 10053260), (4, 7539945), (5, 6031956), (6, 5026630), (7, 4308540), (10, 3015978), (12, 2513315), (14, 2154270), (15, 2010652), (20, 1507989), (21, 1436180), (28, 1077135), (30, 1005326), (35, 861708), (42, 718090), (60, 502663), (70, 430854), (84, 359045), (105, 287236), (140, 215427), (210, 143618), (420, 71809)]