19154880

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{739}}^1$

素因数の和:768

約数の個数: 140

約数和(自身を含む): 68229480

約数和(自身を除く): 49074600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 739, 810, 864, 960, 1080, 1296, 1440, 1478, 1620, 1728, 2160, 2217, 2592, 2880, 2956, 3240, 3695, 4320, 4434, 5184, 5912, 6480, 6651, 7390, 8640, 8868, 11085, 11824, 12960, 13302, 14780, 17736, 19953, 22170, 23648, 25920, 26604, 29560, 33255, 35472, 39906, 44340, 47296, 53208, 59120, 59859, 66510, 70944, 79812, 88680, 99765, 106416, 118240, 119718, 133020, 141888, 159624, 177360, 199530, 212832, 236480, 239436, 266040, 299295, 319248, 354720, 399060, 425664, 478872, 532080, 598590, 638496, 709440, 798120, 957744, 1064160, 1197180, 1276992, 1596240, 1915488, 2128320, 2394360, 3192480, 3830976, 4788720, 6384960, 9577440, 19154880]

約数ペア:

[(1, 19154880), (2, 9577440), (3, 6384960), (4, 4788720), (5, 3830976), (6, 3192480), (8, 2394360), (9, 2128320), (10, 1915488), (12, 1596240), (15, 1276992), (16, 1197180), (18, 1064160), (20, 957744), (24, 798120), (27, 709440), (30, 638496), (32, 598590), (36, 532080), (40, 478872), (45, 425664), (48, 399060), (54, 354720), (60, 319248), (64, 299295), (72, 266040), (80, 239436), (81, 236480), (90, 212832), (96, 199530), (108, 177360), (120, 159624), (135, 141888), (144, 133020), (160, 119718), (162, 118240), (180, 106416), (192, 99765), (216, 88680), (240, 79812), (270, 70944), (288, 66510), (320, 59859), (324, 59120), (360, 53208), (405, 47296), (432, 44340), (480, 39906), (540, 35472), (576, 33255), (648, 29560), (720, 26604), (739, 25920), (810, 23648), (864, 22170), (960, 19953), (1080, 17736), (1296, 14780), (1440, 13302), (1478, 12960), (1620, 11824), (1728, 11085), (2160, 8868), (2217, 8640), (2592, 7390), (2880, 6651), (2956, 6480), (3240, 5912), (3695, 5184), (4320, 4434)]