57921780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137909}}^1$

素因数の和:137928

約数の個数: 48

約数和(自身を含む): 185351040

約数和(自身を除く): 127429260

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, 137909, 275818, 413727, 551636, 689545, 827454, 965363, 1379090, 1654908, 1930726, 2068635, 2758180, 2896089, 3861452, 4137270, 4826815, 5792178, 8274540, 9653630, 11584356, 14480445, 19307260, 28960890, 57921780]

約数ペア:

[(1, 57921780), (2, 28960890), (3, 19307260), (4, 14480445), (5, 11584356), (6, 9653630), (7, 8274540), (10, 5792178), (12, 4826815), (14, 4137270), (15, 3861452), (20, 2896089), (21, 2758180), (28, 2068635), (30, 1930726), (35, 1654908), (42, 1379090), (60, 965363), (70, 827454), (84, 689545), (105, 551636), (140, 413727), (210, 275818), (420, 137909)]