212472540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{168629}}^1$

素因数の和:168651

約数の個数: 72

約数和(自身を含む): 736575840

約数和(自身を除く): 524103300

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, 168629, 337258, 505887, 674516, 843145, 1011774, 1180403, 1517661, 1686290, 2023548, 2360806, 2529435, 3035322, 3372580, 3541209, 4721612, 5058870, 5902015, 6070644, 7082418, 7588305, 10117740, 10623627, 11804030, 14164836, 15176610, 17706045, 21247254, 23608060, 30353220, 35412090, 42494508, 53118135, 70824180, 106236270, 212472540]

約数ペア:

[(1, 212472540), (2, 106236270), (3, 70824180), (4, 53118135), (5, 42494508), (6, 35412090), (7, 30353220), (9, 23608060), (10, 21247254), (12, 17706045), (14, 15176610), (15, 14164836), (18, 11804030), (20, 10623627), (21, 10117740), (28, 7588305), (30, 7082418), (35, 6070644), (36, 5902015), (42, 5058870), (45, 4721612), (60, 3541209), (63, 3372580), (70, 3035322), (84, 2529435), (90, 2360806), (105, 2023548), (126, 1686290), (140, 1517661), (180, 1180403), (210, 1011774), (252, 843145), (315, 674516), (420, 505887), (630, 337258), (1260, 168629)]