172885180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 417715200

約数和(自身を除く): 244830020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 79, 95, 130, 158, 190, 247, 260, 316, 380, 395, 443, 494, 790, 886, 988, 1027, 1235, 1501, 1580, 1772, 2054, 2215, 2470, 3002, 4108, 4430, 4940, 5135, 5759, 6004, 7505, 8417, 8860, 10270, 11518, 15010, 16834, 19513, 20540, 23036, 28795, 30020, 33668, 34997, 39026, 42085, 57590, 69994, 78052, 84170, 97565, 109421, 115180, 139988, 168340, 174985, 195130, 218842, 349970, 390260, 437684, 454961, 547105, 664943, 699940, 909922, 1094210, 1329886, 1819844, 2188420, 2274805, 2659772, 3324715, 4549610, 6649430, 8644259, 9099220, 13298860, 17288518, 34577036, 43221295, 86442590, 172885180]

約数ペア:

[(1, 172885180), (2, 86442590), (4, 43221295), (5, 34577036), (10, 17288518), (13, 13298860), (19, 9099220), (20, 8644259), (26, 6649430), (38, 4549610), (52, 3324715), (65, 2659772), (76, 2274805), (79, 2188420), (95, 1819844), (130, 1329886), (158, 1094210), (190, 909922), (247, 699940), (260, 664943), (316, 547105), (380, 454961), (395, 437684), (443, 390260), (494, 349970), (790, 218842), (886, 195130), (988, 174985), (1027, 168340), (1235, 139988), (1501, 115180), (1580, 109421), (1772, 97565), (2054, 84170), (2215, 78052), (2470, 69994), (3002, 57590), (4108, 42085), (4430, 39026), (4940, 34997), (5135, 33668), (5759, 30020), (6004, 28795), (7505, 23036), (8417, 20540), (8860, 19513), (10270, 16834), (11518, 15010)]