7247323020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17255531}}^1$

素因数の和:17255550

約数の個数: 48

約数和(自身を含む): 23191435008

約数和(自身を除く): 15944111988

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, 17255531, 34511062, 51766593, 69022124, 86277655, 103533186, 120788717, 172555310, 207066372, 241577434, 258832965, 345110620, 362366151, 483154868, 517665930, 603943585, 724732302, 1035331860, 1207887170, 1449464604, 1811830755, 2415774340, 3623661510, 7247323020]

約数ペア:

[(1, 7247323020), (2, 3623661510), (3, 2415774340), (4, 1811830755), (5, 1449464604), (6, 1207887170), (7, 1035331860), (10, 724732302), (12, 603943585), (14, 517665930), (15, 483154868), (20, 362366151), (21, 345110620), (28, 258832965), (30, 241577434), (35, 207066372), (42, 172555310), (60, 120788717), (70, 103533186), (84, 86277655), (105, 69022124), (140, 51766593), (210, 34511062), (420, 17255531)]