1281628544

素因数分解:

$2^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 3005164800

約数和(自身を除く): 1723536256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 131, 179, 224, 244, 262, 358, 427, 448, 488, 524, 716, 854, 896, 917, 976, 1048, 1253, 1432, 1708, 1834, 1952, 2096, 2506, 2864, 3416, 3668, 3904, 4192, 5012, 5728, 6832, 7336, 7808, 7991, 8384, 10024, 10919, 11456, 13664, 14672, 15982, 16768, 20048, 21838, 22912, 23449, 27328, 29344, 31964, 40096, 43676, 46898, 54656, 55937, 58688, 63928, 76433, 80192, 87352, 93796, 111874, 117376, 127856, 152866, 160384, 164143, 174704, 187592, 223748, 255712, 305732, 328286, 349408, 375184, 447496, 511424, 611464, 656572, 698816, 750368, 894992, 1022848, 1222928, 1313144, 1397632, 1430389, 1500736, 1789984, 2445856, 2626288, 2860778, 3001472, 3579968, 4891712, 5252576, 5721556, 7159936, 9783424, 10012723, 10505152, 11443112, 20025446, 21010304, 22886224, 40050892, 45772448, 80101784, 91544896, 160203568, 183089792, 320407136, 640814272, 1281628544]

約数ペア:

[(1, 1281628544), (2, 640814272), (4, 320407136), (7, 183089792), (8, 160203568), (14, 91544896), (16, 80101784), (28, 45772448), (32, 40050892), (56, 22886224), (61, 21010304), (64, 20025446), (112, 11443112), (122, 10505152), (128, 10012723), (131, 9783424), (179, 7159936), (224, 5721556), (244, 5252576), (262, 4891712), (358, 3579968), (427, 3001472), (448, 2860778), (488, 2626288), (524, 2445856), (716, 1789984), (854, 1500736), (896, 1430389), (917, 1397632), (976, 1313144), (1048, 1222928), (1253, 1022848), (1432, 894992), (1708, 750368), (1834, 698816), (1952, 656572), (2096, 611464), (2506, 511424), (2864, 447496), (3416, 375184), (3668, 349408), (3904, 328286), (4192, 305732), (5012, 255712), (5728, 223748), (6832, 187592), (7336, 174704), (7808, 164143), (7991, 160384), (8384, 152866), (10024, 127856), (10919, 117376), (11456, 111874), (13664, 93796), (14672, 87352), (15982, 80192), (16768, 76433), (20048, 63928), (21838, 58688), (22912, 55937), (23449, 54656), (27328, 46898), (29344, 43676), (31964, 40096)]