278806080

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{5927}}^1$

素因数の和:5961

約数の個数: 168

約数和(自身を含む): 1029907008

約数和(自身を除く): 751100928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5880, 5927, 6720, 7840, 9408, 11760, 11854, 15680, 17781, 23520, 23708, 29635, 35562, 41489, 47040, 47416, 59270, 71124, 82978, 88905, 94832, 118540, 124467, 142248, 165956, 177810, 189664, 207445, 237080, 248934, 284496, 290423, 331912, 355620, 379328, 414890, 474160, 497868, 568992, 580846, 622335, 663824, 711240, 829780, 871269, 948320, 995736, 1137984, 1161692, 1244670, 1327648, 1422480, 1452115, 1659560, 1742538, 1896640, 1991472, 2323384, 2489340, 2655296, 2844960, 2904230, 3319120, 3485076, 3982944, 4356345, 4646768, 4978680, 5689920, 5808460, 6638240, 6970152, 7965888, 8712690, 9293536, 9957360, 11616920, 13276480, 13940304, 17425380, 18587072, 19914720, 23233840, 27880608, 34850760, 39829440, 46467680, 55761216, 69701520, 92935360, 139403040, 278806080]

約数ペア:

[(1, 278806080), (2, 139403040), (3, 92935360), (4, 69701520), (5, 55761216), (6, 46467680), (7, 39829440), (8, 34850760), (10, 27880608), (12, 23233840), (14, 19914720), (15, 18587072), (16, 17425380), (20, 13940304), (21, 13276480), (24, 11616920), (28, 9957360), (30, 9293536), (32, 8712690), (35, 7965888), (40, 6970152), (42, 6638240), (48, 5808460), (49, 5689920), (56, 4978680), (60, 4646768), (64, 4356345), (70, 3982944), (80, 3485076), (84, 3319120), (96, 2904230), (98, 2844960), (105, 2655296), (112, 2489340), (120, 2323384), (140, 1991472), (147, 1896640), (160, 1742538), (168, 1659560), (192, 1452115), (196, 1422480), (210, 1327648), (224, 1244670), (240, 1161692), (245, 1137984), (280, 995736), (294, 948320), (320, 871269), (336, 829780), (392, 711240), (420, 663824), (448, 622335), (480, 580846), (490, 568992), (560, 497868), (588, 474160), (672, 414890), (735, 379328), (784, 355620), (840, 331912), (960, 290423), (980, 284496), (1120, 248934), (1176, 237080), (1344, 207445), (1470, 189664), (1568, 177810), (1680, 165956), (1960, 142248), (2240, 124467), (2352, 118540), (2940, 94832), (3136, 88905), (3360, 82978), (3920, 71124), (4704, 59270), (5880, 47416), (5927, 47040), (6720, 41489), (7840, 35562), (9408, 29635), (11760, 23708), (11854, 23520), (15680, 17781)]