163026780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{388159}}^1$

素因数の和:388178

約数の個数: 48

約数和(自身を含む): 521687040

約数和(自身を除く): 358660260

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, 388159, 776318, 1164477, 1552636, 1940795, 2328954, 2717113, 3881590, 4657908, 5434226, 5822385, 7763180, 8151339, 10868452, 11644770, 13585565, 16302678, 23289540, 27171130, 32605356, 40756695, 54342260, 81513390, 163026780]

約数ペア:

[(1, 163026780), (2, 81513390), (3, 54342260), (4, 40756695), (5, 32605356), (6, 27171130), (7, 23289540), (10, 16302678), (12, 13585565), (14, 11644770), (15, 10868452), (20, 8151339), (21, 7763180), (28, 5822385), (30, 5434226), (35, 4657908), (42, 3881590), (60, 2717113), (70, 2328954), (84, 1940795), (105, 1552636), (140, 1164477), (210, 776318), (420, 388159)]