787912020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21563}}^1$

素因数の和:21614

約数の個数: 144

約数和(自身を含む): 2825746560

約数和(自身を除く): 2037834540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 2030, 2436, 2610, 3045, 3654, 4060, 5220, 6090, 7308, 9135, 12180, 18270, 21563, 36540, 43126, 64689, 86252, 107815, 129378, 150941, 194067, 215630, 258756, 301882, 323445, 388134, 431260, 452823, 603764, 625327, 646890, 754705, 776268, 905646, 970335, 1250654, 1293780, 1358469, 1509410, 1811292, 1875981, 1940670, 2264115, 2501308, 2716938, 3018820, 3126635, 3751962, 3881340, 4377289, 4528230, 5433876, 5627943, 6253270, 6792345, 7503924, 8754578, 9056460, 9379905, 11255886, 12506540, 13131867, 13584690, 17509156, 18759810, 21886445, 22511772, 26263734, 27169380, 28139715, 37519620, 39395601, 43772890, 52527468, 56279430, 65659335, 78791202, 87545780, 112558860, 131318670, 157582404, 196978005, 262637340, 393956010, 787912020]

約数ペア:

[(1, 787912020), (2, 393956010), (3, 262637340), (4, 196978005), (5, 157582404), (6, 131318670), (7, 112558860), (9, 87545780), (10, 78791202), (12, 65659335), (14, 56279430), (15, 52527468), (18, 43772890), (20, 39395601), (21, 37519620), (28, 28139715), (29, 27169380), (30, 26263734), (35, 22511772), (36, 21886445), (42, 18759810), (45, 17509156), (58, 13584690), (60, 13131867), (63, 12506540), (70, 11255886), (84, 9379905), (87, 9056460), (90, 8754578), (105, 7503924), (116, 6792345), (126, 6253270), (140, 5627943), (145, 5433876), (174, 4528230), (180, 4377289), (203, 3881340), (210, 3751962), (252, 3126635), (261, 3018820), (290, 2716938), (315, 2501308), (348, 2264115), (406, 1940670), (420, 1875981), (435, 1811292), (522, 1509410), (580, 1358469), (609, 1293780), (630, 1250654), (812, 970335), (870, 905646), (1015, 776268), (1044, 754705), (1218, 646890), (1260, 625327), (1305, 603764), (1740, 452823), (1827, 431260), (2030, 388134), (2436, 323445), (2610, 301882), (3045, 258756), (3654, 215630), (4060, 194067), (5220, 150941), (6090, 129378), (7308, 107815), (9135, 86252), (12180, 64689), (18270, 43126), (21563, 36540)]