26977020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64231}}^1$

素因数の和:64250

約数の個数: 48

約数和(自身を含む): 86327808

約数和(自身を除く): 59350788

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, 64231, 128462, 192693, 256924, 321155, 385386, 449617, 642310, 770772, 899234, 963465, 1284620, 1348851, 1798468, 1926930, 2248085, 2697702, 3853860, 4496170, 5395404, 6744255, 8992340, 13488510, 26977020]

約数ペア:

[(1, 26977020), (2, 13488510), (3, 8992340), (4, 6744255), (5, 5395404), (6, 4496170), (7, 3853860), (10, 2697702), (12, 2248085), (14, 1926930), (15, 1798468), (20, 1348851), (21, 1284620), (28, 963465), (30, 899234), (35, 770772), (42, 642310), (60, 449617), (70, 385386), (84, 321155), (105, 256924), (140, 192693), (210, 128462), (420, 64231)]