171705520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 481219200

約数和(自身を除く): 309513680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 97, 109, 112, 116, 140, 145, 194, 203, 218, 232, 280, 290, 388, 406, 436, 464, 485, 545, 560, 580, 679, 763, 776, 812, 872, 970, 1015, 1090, 1160, 1358, 1526, 1552, 1624, 1744, 1940, 2030, 2180, 2320, 2716, 2813, 3052, 3161, 3248, 3395, 3815, 3880, 4060, 4360, 5432, 5626, 6104, 6322, 6790, 7630, 7760, 8120, 8720, 10573, 10864, 11252, 12208, 12644, 13580, 14065, 15260, 15805, 16240, 19691, 21146, 22127, 22504, 25288, 27160, 28130, 30520, 31610, 39382, 42292, 44254, 45008, 50576, 52865, 54320, 56260, 61040, 63220, 74011, 78764, 84584, 88508, 98455, 105730, 110635, 112520, 126440, 148022, 157528, 169168, 177016, 196910, 211460, 221270, 225040, 252880, 296044, 306617, 315056, 354032, 370055, 393820, 422920, 442540, 592088, 613234, 740110, 787640, 845840, 885080, 1184176, 1226468, 1480220, 1533085, 1575280, 1770160, 2146319, 2452936, 2960440, 3066170, 4292638, 4905872, 5920880, 6132340, 8585276, 10731595, 12264680, 17170552, 21463190, 24529360, 34341104, 42926380, 85852760, 171705520]

約数ペア:

[(1, 171705520), (2, 85852760), (4, 42926380), (5, 34341104), (7, 24529360), (8, 21463190), (10, 17170552), (14, 12264680), (16, 10731595), (20, 8585276), (28, 6132340), (29, 5920880), (35, 4905872), (40, 4292638), (56, 3066170), (58, 2960440), (70, 2452936), (80, 2146319), (97, 1770160), (109, 1575280), (112, 1533085), (116, 1480220), (140, 1226468), (145, 1184176), (194, 885080), (203, 845840), (218, 787640), (232, 740110), (280, 613234), (290, 592088), (388, 442540), (406, 422920), (436, 393820), (464, 370055), (485, 354032), (545, 315056), (560, 306617), (580, 296044), (679, 252880), (763, 225040), (776, 221270), (812, 211460), (872, 196910), (970, 177016), (1015, 169168), (1090, 157528), (1160, 148022), (1358, 126440), (1526, 112520), (1552, 110635), (1624, 105730), (1744, 98455), (1940, 88508), (2030, 84584), (2180, 78764), (2320, 74011), (2716, 63220), (2813, 61040), (3052, 56260), (3161, 54320), (3248, 52865), (3395, 50576), (3815, 45008), (3880, 44254), (4060, 42292), (4360, 39382), (5432, 31610), (5626, 30520), (6104, 28130), (6322, 27160), (6790, 25288), (7630, 22504), (7760, 22127), (8120, 21146), (8720, 19691), (10573, 16240), (10864, 15805), (11252, 15260), (12208, 14065), (12644, 13580)]