257578560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5261}}^1$

素因数の和:5301

約数の個数: 168

約数和(自身を含む): 938256696

約数和(自身を除く): 680678136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 612, 680, 720, 765, 816, 960, 1020, 1088, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 2880, 3060, 3264, 4080, 4896, 5261, 5440, 6120, 8160, 9792, 10522, 12240, 15783, 16320, 21044, 24480, 26305, 31566, 42088, 47349, 48960, 52610, 63132, 78915, 84176, 89437, 94698, 105220, 126264, 157830, 168352, 178874, 189396, 210440, 236745, 252528, 268311, 315660, 336704, 357748, 378792, 420880, 447185, 473490, 505056, 536622, 631320, 715496, 757584, 804933, 841760, 894370, 946980, 1010112, 1073244, 1262640, 1341555, 1430992, 1515168, 1609866, 1683520, 1788740, 1893960, 2146488, 2525280, 2683110, 2861984, 3030336, 3219732, 3577480, 3787920, 4024665, 4292976, 5050560, 5366220, 5723968, 6439464, 7154960, 7575840, 8049330, 8585952, 10732440, 12878928, 14309920, 15151680, 16098660, 17171904, 21464880, 25757856, 28619840, 32197320, 42929760, 51515712, 64394640, 85859520, 128789280, 257578560]

約数ペア:

[(1, 257578560), (2, 128789280), (3, 85859520), (4, 64394640), (5, 51515712), (6, 42929760), (8, 32197320), (9, 28619840), (10, 25757856), (12, 21464880), (15, 17171904), (16, 16098660), (17, 15151680), (18, 14309920), (20, 12878928), (24, 10732440), (30, 8585952), (32, 8049330), (34, 7575840), (36, 7154960), (40, 6439464), (45, 5723968), (48, 5366220), (51, 5050560), (60, 4292976), (64, 4024665), (68, 3787920), (72, 3577480), (80, 3219732), (85, 3030336), (90, 2861984), (96, 2683110), (102, 2525280), (120, 2146488), (136, 1893960), (144, 1788740), (153, 1683520), (160, 1609866), (170, 1515168), (180, 1430992), (192, 1341555), (204, 1262640), (240, 1073244), (255, 1010112), (272, 946980), (288, 894370), (306, 841760), (320, 804933), (340, 757584), (360, 715496), (408, 631320), (480, 536622), (510, 505056), (544, 473490), (576, 447185), (612, 420880), (680, 378792), (720, 357748), (765, 336704), (816, 315660), (960, 268311), (1020, 252528), (1088, 236745), (1224, 210440), (1360, 189396), (1440, 178874), (1530, 168352), (1632, 157830), (2040, 126264), (2448, 105220), (2720, 94698), (2880, 89437), (3060, 84176), (3264, 78915), (4080, 63132), (4896, 52610), (5261, 48960), (5440, 47349), (6120, 42088), (8160, 31566), (9792, 26305), (10522, 24480), (12240, 21044), (15783, 16320)]