204473640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{243421}}^1$

素因数の和:243442

約数の個数: 64

約数和(自身を含む): 701055360

約数和(自身を除く): 496581720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 243421, 486842, 730263, 973684, 1217105, 1460526, 1703947, 1947368, 2434210, 2921052, 3407894, 3651315, 4868420, 5111841, 5842104, 6815788, 7302630, 8519735, 9736840, 10223682, 13631576, 14605260, 17039470, 20447364, 25559205, 29210520, 34078940, 40894728, 51118410, 68157880, 102236820, 204473640]

約数ペア:

[(1, 204473640), (2, 102236820), (3, 68157880), (4, 51118410), (5, 40894728), (6, 34078940), (7, 29210520), (8, 25559205), (10, 20447364), (12, 17039470), (14, 14605260), (15, 13631576), (20, 10223682), (21, 9736840), (24, 8519735), (28, 7302630), (30, 6815788), (35, 5842104), (40, 5111841), (42, 4868420), (56, 3651315), (60, 3407894), (70, 2921052), (84, 2434210), (105, 1947368), (120, 1703947), (140, 1460526), (168, 1217105), (210, 973684), (280, 730263), (420, 486842), (840, 243421)]