140289660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{111341}}^1$

素因数の和:111363

約数の個数: 72

約数和(自身を含む): 486341856

約数和(自身を除く): 346052196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 111341, 222682, 334023, 445364, 556705, 668046, 779387, 1002069, 1113410, 1336092, 1558774, 1670115, 2004138, 2226820, 2338161, 3117548, 3340230, 3896935, 4008276, 4676322, 5010345, 6680460, 7014483, 7793870, 9352644, 10020690, 11690805, 14028966, 15587740, 20041380, 23381610, 28057932, 35072415, 46763220, 70144830, 140289660]

約数ペア:

[(1, 140289660), (2, 70144830), (3, 46763220), (4, 35072415), (5, 28057932), (6, 23381610), (7, 20041380), (9, 15587740), (10, 14028966), (12, 11690805), (14, 10020690), (15, 9352644), (18, 7793870), (20, 7014483), (21, 6680460), (28, 5010345), (30, 4676322), (35, 4008276), (36, 3896935), (42, 3340230), (45, 3117548), (60, 2338161), (63, 2226820), (70, 2004138), (84, 1670115), (90, 1558774), (105, 1336092), (126, 1113410), (140, 1002069), (180, 779387), (210, 668046), (252, 556705), (315, 445364), (420, 334023), (630, 222682), (1260, 111341)]