7287420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17351}}^1$

素因数の和:17370

約数の個数: 48

約数和(自身を含む): 23321088

約数和(自身を除く): 16033668

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, 17351, 34702, 52053, 69404, 86755, 104106, 121457, 173510, 208212, 242914, 260265, 347020, 364371, 485828, 520530, 607285, 728742, 1041060, 1214570, 1457484, 1821855, 2429140, 3643710, 7287420]

約数ペア:

[(1, 7287420), (2, 3643710), (3, 2429140), (4, 1821855), (5, 1457484), (6, 1214570), (7, 1041060), (10, 728742), (12, 607285), (14, 520530), (15, 485828), (20, 364371), (21, 347020), (28, 260265), (30, 242914), (35, 208212), (42, 173510), (60, 121457), (70, 104106), (84, 86755), (105, 69404), (140, 52053), (210, 34702), (420, 17351)]