278656128

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 192

約数和(自身を含む): 875160000

約数和(自身を除く): 596503872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 29, 32, 36, 38, 48, 57, 58, 64, 72, 76, 87, 96, 114, 116, 128, 144, 152, 171, 174, 192, 228, 232, 261, 288, 304, 342, 348, 384, 439, 456, 464, 522, 551, 576, 608, 684, 696, 878, 912, 928, 1044, 1102, 1152, 1216, 1317, 1368, 1392, 1653, 1756, 1824, 1856, 2088, 2204, 2432, 2634, 2736, 2784, 3306, 3512, 3648, 3712, 3951, 4176, 4408, 4959, 5268, 5472, 5568, 6612, 7024, 7296, 7902, 8341, 8352, 8816, 9918, 10536, 10944, 11136, 12731, 13224, 14048, 15804, 16682, 16704, 17632, 19836, 21072, 21888, 25023, 25462, 26448, 28096, 31608, 33364, 33408, 35264, 38193, 39672, 42144, 50046, 50924, 52896, 56192, 63216, 66728, 70528, 75069, 76386, 79344, 84288, 100092, 101848, 105792, 114579, 126432, 133456, 150138, 152772, 158688, 168576, 200184, 203696, 211584, 229158, 241889, 252864, 266912, 300276, 305544, 317376, 400368, 407392, 458316, 483778, 505728, 533824, 600552, 611088, 634752, 725667, 800736, 814784, 916632, 967556, 1067648, 1201104, 1222176, 1451334, 1601472, 1629568, 1833264, 1935112, 2177001, 2402208, 2444352, 2902668, 3202944, 3666528, 3870224, 4354002, 4804416, 4888704, 5805336, 7333056, 7740448, 8708004, 9608832, 11610672, 14666112, 15480896, 17416008, 23221344, 30961792, 34832016, 46442688, 69664032, 92885376, 139328064, 278656128]

約数ペア:

[(1, 278656128), (2, 139328064), (3, 92885376), (4, 69664032), (6, 46442688), (8, 34832016), (9, 30961792), (12, 23221344), (16, 17416008), (18, 15480896), (19, 14666112), (24, 11610672), (29, 9608832), (32, 8708004), (36, 7740448), (38, 7333056), (48, 5805336), (57, 4888704), (58, 4804416), (64, 4354002), (72, 3870224), (76, 3666528), (87, 3202944), (96, 2902668), (114, 2444352), (116, 2402208), (128, 2177001), (144, 1935112), (152, 1833264), (171, 1629568), (174, 1601472), (192, 1451334), (228, 1222176), (232, 1201104), (261, 1067648), (288, 967556), (304, 916632), (342, 814784), (348, 800736), (384, 725667), (439, 634752), (456, 611088), (464, 600552), (522, 533824), (551, 505728), (576, 483778), (608, 458316), (684, 407392), (696, 400368), (878, 317376), (912, 305544), (928, 300276), (1044, 266912), (1102, 252864), (1152, 241889), (1216, 229158), (1317, 211584), (1368, 203696), (1392, 200184), (1653, 168576), (1756, 158688), (1824, 152772), (1856, 150138), (2088, 133456), (2204, 126432), (2432, 114579), (2634, 105792), (2736, 101848), (2784, 100092), (3306, 84288), (3512, 79344), (3648, 76386), (3712, 75069), (3951, 70528), (4176, 66728), (4408, 63216), (4959, 56192), (5268, 52896), (5472, 50924), (5568, 50046), (6612, 42144), (7024, 39672), (7296, 38193), (7902, 35264), (8341, 33408), (8352, 33364), (8816, 31608), (9918, 28096), (10536, 26448), (10944, 25462), (11136, 25023), (12731, 21888), (13224, 21072), (14048, 19836), (15804, 17632), (16682, 16704)]