247534140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20323}}^1$

素因数の和:20371

約数の個数: 96

約数和(自身を含む): 819463680

約数和(自身を除く): 571929540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 12180, 20323, 40646, 60969, 81292, 101615, 121938, 142261, 203230, 243876, 284522, 304845, 406460, 426783, 569044, 589367, 609690, 711305, 853566, 1178734, 1219380, 1422610, 1707132, 1768101, 2133915, 2357468, 2845220, 2946835, 3536202, 4125569, 4267830, 5893670, 7072404, 8251138, 8535660, 8840505, 11787340, 12376707, 16502276, 17681010, 20627845, 24753414, 35362020, 41255690, 49506828, 61883535, 82511380, 123767070, 247534140]

約数ペア:

[(1, 247534140), (2, 123767070), (3, 82511380), (4, 61883535), (5, 49506828), (6, 41255690), (7, 35362020), (10, 24753414), (12, 20627845), (14, 17681010), (15, 16502276), (20, 12376707), (21, 11787340), (28, 8840505), (29, 8535660), (30, 8251138), (35, 7072404), (42, 5893670), (58, 4267830), (60, 4125569), (70, 3536202), (84, 2946835), (87, 2845220), (105, 2357468), (116, 2133915), (140, 1768101), (145, 1707132), (174, 1422610), (203, 1219380), (210, 1178734), (290, 853566), (348, 711305), (406, 609690), (420, 589367), (435, 569044), (580, 426783), (609, 406460), (812, 304845), (870, 284522), (1015, 243876), (1218, 203230), (1740, 142261), (2030, 121938), (2436, 101615), (3045, 81292), (4060, 60969), (6090, 40646), (12180, 20323)]