712375040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1446

約数の個数: 144

約数和(自身を含む): 1898270976

約数和(自身を除く): 1185895936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1381, 1612, 1664, 1984, 2015, 2080, 2480, 2762, 3224, 3328, 3968, 4030, 4160, 4960, 5524, 6448, 6905, 7936, 8060, 8320, 9920, 11048, 12896, 13810, 16120, 16640, 17953, 19840, 22096, 25792, 27620, 32240, 35906, 39680, 42811, 44192, 51584, 55240, 64480, 71812, 85622, 88384, 89765, 103168, 110480, 128960, 143624, 171244, 176768, 179530, 214055, 220960, 257920, 287248, 342488, 353536, 359060, 428110, 441920, 515840, 556543, 574496, 684976, 718120, 856220, 883840, 1113086, 1148992, 1369952, 1436240, 1712440, 1767680, 2226172, 2297984, 2739904, 2782715, 2872480, 3424880, 4452344, 4595968, 5479808, 5565430, 5744960, 6849760, 8904688, 10959616, 11130860, 11489920, 13699520, 17809376, 22261720, 22979840, 27399040, 35618752, 44523440, 54798080, 71237504, 89046880, 142475008, 178093760, 356187520, 712375040]

約数ペア:

[(1, 712375040), (2, 356187520), (4, 178093760), (5, 142475008), (8, 89046880), (10, 71237504), (13, 54798080), (16, 44523440), (20, 35618752), (26, 27399040), (31, 22979840), (32, 22261720), (40, 17809376), (52, 13699520), (62, 11489920), (64, 11130860), (65, 10959616), (80, 8904688), (104, 6849760), (124, 5744960), (128, 5565430), (130, 5479808), (155, 4595968), (160, 4452344), (208, 3424880), (248, 2872480), (256, 2782715), (260, 2739904), (310, 2297984), (320, 2226172), (403, 1767680), (416, 1712440), (496, 1436240), (520, 1369952), (620, 1148992), (640, 1113086), (806, 883840), (832, 856220), (992, 718120), (1040, 684976), (1240, 574496), (1280, 556543), (1381, 515840), (1612, 441920), (1664, 428110), (1984, 359060), (2015, 353536), (2080, 342488), (2480, 287248), (2762, 257920), (3224, 220960), (3328, 214055), (3968, 179530), (4030, 176768), (4160, 171244), (4960, 143624), (5524, 128960), (6448, 110480), (6905, 103168), (7936, 89765), (8060, 88384), (8320, 85622), (9920, 71812), (11048, 64480), (12896, 55240), (13810, 51584), (16120, 44192), (16640, 42811), (17953, 39680), (19840, 35906), (22096, 32240), (25792, 27620)]