61291020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{145931}}^1$

素因数の和:145950

約数の個数: 48

約数和(自身を含む): 196132608

約数和(自身を除く): 134841588

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, 145931, 291862, 437793, 583724, 729655, 875586, 1021517, 1459310, 1751172, 2043034, 2188965, 2918620, 3064551, 4086068, 4377930, 5107585, 6129102, 8755860, 10215170, 12258204, 15322755, 20430340, 30645510, 61291020]

約数ペア:

[(1, 61291020), (2, 30645510), (3, 20430340), (4, 15322755), (5, 12258204), (6, 10215170), (7, 8755860), (10, 6129102), (12, 5107585), (14, 4377930), (15, 4086068), (20, 3064551), (21, 2918620), (28, 2188965), (30, 2043034), (35, 1751172), (42, 1459310), (60, 1021517), (70, 875586), (84, 729655), (105, 583724), (140, 437793), (210, 291862), (420, 145931)]