171129920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 112

約数和(自身を含む): 453347328

約数和(自身を除く): 282217408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1327, 1612, 1984, 2015, 2080, 2480, 2654, 3224, 4030, 4160, 4960, 5308, 6448, 6635, 8060, 9920, 10616, 12896, 13270, 16120, 17251, 21232, 25792, 26540, 32240, 34502, 41137, 42464, 53080, 64480, 69004, 82274, 84928, 86255, 106160, 128960, 138008, 164548, 172510, 205685, 212320, 276016, 329096, 345020, 411370, 424640, 534781, 552032, 658192, 690040, 822740, 1069562, 1104064, 1316384, 1380080, 1645480, 2139124, 2632768, 2673905, 2760160, 3290960, 4278248, 5347810, 5520320, 6581920, 8556496, 10695620, 13163840, 17112992, 21391240, 34225984, 42782480, 85564960, 171129920]

約数ペア:

[(1, 171129920), (2, 85564960), (4, 42782480), (5, 34225984), (8, 21391240), (10, 17112992), (13, 13163840), (16, 10695620), (20, 8556496), (26, 6581920), (31, 5520320), (32, 5347810), (40, 4278248), (52, 3290960), (62, 2760160), (64, 2673905), (65, 2632768), (80, 2139124), (104, 1645480), (124, 1380080), (130, 1316384), (155, 1104064), (160, 1069562), (208, 822740), (248, 690040), (260, 658192), (310, 552032), (320, 534781), (403, 424640), (416, 411370), (496, 345020), (520, 329096), (620, 276016), (806, 212320), (832, 205685), (992, 172510), (1040, 164548), (1240, 138008), (1327, 128960), (1612, 106160), (1984, 86255), (2015, 84928), (2080, 82274), (2480, 69004), (2654, 64480), (3224, 53080), (4030, 42464), (4160, 41137), (4960, 34502), (5308, 32240), (6448, 26540), (6635, 25792), (8060, 21232), (9920, 17251), (10616, 16120), (12896, 13270)]