84717780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{201709}}^1$

素因数の和:201728

約数の個数: 48

約数和(自身を含む): 271098240

約数和(自身を除く): 186380460

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, 201709, 403418, 605127, 806836, 1008545, 1210254, 1411963, 2017090, 2420508, 2823926, 3025635, 4034180, 4235889, 5647852, 6051270, 7059815, 8471778, 12102540, 14119630, 16943556, 21179445, 28239260, 42358890, 84717780]

約数ペア:

[(1, 84717780), (2, 42358890), (3, 28239260), (4, 21179445), (5, 16943556), (6, 14119630), (7, 12102540), (10, 8471778), (12, 7059815), (14, 6051270), (15, 5647852), (20, 4235889), (21, 4034180), (28, 3025635), (30, 2823926), (35, 2420508), (42, 2017090), (60, 1411963), (70, 1210254), (84, 1008545), (105, 806836), (140, 605127), (210, 403418), (420, 201709)]