1284129280

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 240

約数和(自身を含む): 3715576920

約数和(自身を除く): 2431447640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 128, 140, 145, 160, 196, 203, 224, 232, 245, 256, 280, 290, 320, 353, 392, 406, 448, 464, 490, 512, 560, 580, 640, 706, 784, 812, 896, 928, 980, 1015, 1120, 1160, 1280, 1412, 1421, 1568, 1624, 1765, 1792, 1856, 1960, 2030, 2240, 2320, 2471, 2560, 2824, 2842, 3136, 3248, 3530, 3584, 3712, 3920, 4060, 4480, 4640, 4942, 5648, 5684, 6272, 6496, 7060, 7105, 7424, 7840, 8120, 8960, 9280, 9884, 10237, 11296, 11368, 12355, 12544, 12992, 14120, 14210, 14848, 15680, 16240, 17297, 17920, 18560, 19768, 20474, 22592, 22736, 24710, 25088, 25984, 28240, 28420, 31360, 32480, 34594, 37120, 39536, 40948, 45184, 45472, 49420, 51185, 51968, 56480, 56840, 62720, 64960, 69188, 71659, 74240, 79072, 81896, 86485, 90368, 90944, 98840, 102370, 103936, 112960, 113680, 125440, 129920, 138376, 143318, 158144, 163792, 172970, 180736, 181888, 197680, 204740, 225920, 227360, 259840, 276752, 286636, 316288, 327584, 345940, 358295, 363776, 395360, 409480, 451840, 454720, 501613, 519680, 553504, 573272, 632576, 655168, 691880, 716590, 727552, 790720, 818960, 903680, 909440, 1003226, 1107008, 1146544, 1265152, 1310336, 1383760, 1433180, 1581440, 1637920, 1818880, 2006452, 2214016, 2293088, 2508065, 2620672, 2767520, 2866360, 3162880, 3275840, 3637760, 4012904, 4428032, 4586176, 5016130, 5241344, 5535040, 5732720, 6325760, 6551680, 8025808, 8856064, 9172352, 10032260, 11070080, 11465440, 13103360, 16051616, 18344704, 20064520, 22140160, 22930880, 26206720, 32103232, 36689408, 40129040, 44280320, 45861760, 64206464, 80258080, 91723520, 128412928, 160516160, 183447040, 256825856, 321032320, 642064640, 1284129280]

約数ペア:

[(1, 1284129280), (2, 642064640), (4, 321032320), (5, 256825856), (7, 183447040), (8, 160516160), (10, 128412928), (14, 91723520), (16, 80258080), (20, 64206464), (28, 45861760), (29, 44280320), (32, 40129040), (35, 36689408), (40, 32103232), (49, 26206720), (56, 22930880), (58, 22140160), (64, 20064520), (70, 18344704), (80, 16051616), (98, 13103360), (112, 11465440), (116, 11070080), (128, 10032260), (140, 9172352), (145, 8856064), (160, 8025808), (196, 6551680), (203, 6325760), (224, 5732720), (232, 5535040), (245, 5241344), (256, 5016130), (280, 4586176), (290, 4428032), (320, 4012904), (353, 3637760), (392, 3275840), (406, 3162880), (448, 2866360), (464, 2767520), (490, 2620672), (512, 2508065), (560, 2293088), (580, 2214016), (640, 2006452), (706, 1818880), (784, 1637920), (812, 1581440), (896, 1433180), (928, 1383760), (980, 1310336), (1015, 1265152), (1120, 1146544), (1160, 1107008), (1280, 1003226), (1412, 909440), (1421, 903680), (1568, 818960), (1624, 790720), (1765, 727552), (1792, 716590), (1856, 691880), (1960, 655168), (2030, 632576), (2240, 573272), (2320, 553504), (2471, 519680), (2560, 501613), (2824, 454720), (2842, 451840), (3136, 409480), (3248, 395360), (3530, 363776), (3584, 358295), (3712, 345940), (3920, 327584), (4060, 316288), (4480, 286636), (4640, 276752), (4942, 259840), (5648, 227360), (5684, 225920), (6272, 204740), (6496, 197680), (7060, 181888), (7105, 180736), (7424, 172970), (7840, 163792), (8120, 158144), (8960, 143318), (9280, 138376), (9884, 129920), (10237, 125440), (11296, 113680), (11368, 112960), (12355, 103936), (12544, 102370), (12992, 98840), (14120, 90944), (14210, 90368), (14848, 86485), (15680, 81896), (16240, 79072), (17297, 74240), (17920, 71659), (18560, 69188), (19768, 64960), (20474, 62720), (22592, 56840), (22736, 56480), (24710, 51968), (25088, 51185), (25984, 49420), (28240, 45472), (28420, 45184), (31360, 40948), (32480, 39536), (34594, 37120)]