1780679680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:932

約数の個数: 176

約数和(自身を含む): 4754018304

約数和(自身を除く): 2973338624

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, 512, 520, 620, 640, 806, 832, 863, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1726, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3452, 3968, 4030, 4160, 4315, 4960, 5120, 6448, 6656, 6904, 7936, 8060, 8320, 8630, 9920, 11219, 12896, 13312, 13808, 15872, 16120, 16640, 17260, 19840, 22438, 25792, 26753, 27616, 31744, 32240, 33280, 34520, 39680, 44876, 51584, 53506, 55232, 56095, 64480, 66560, 69040, 79360, 89752, 103168, 107012, 110464, 112190, 128960, 133765, 138080, 158720, 179504, 206336, 214024, 220928, 224380, 257920, 267530, 276160, 347789, 359008, 412672, 428048, 441856, 448760, 515840, 535060, 552320, 695578, 718016, 856096, 883712, 897520, 1031680, 1070120, 1104640, 1391156, 1436032, 1712192, 1738945, 1795040, 2063360, 2140240, 2209280, 2782312, 2872064, 3424384, 3477890, 3590080, 4280480, 4418560, 5564624, 5744128, 6848768, 6955780, 7180160, 8560960, 11129248, 11488256, 13697536, 13911560, 14360320, 17121920, 22258496, 27395072, 27823120, 28720640, 34243840, 44516992, 55646240, 57441280, 68487680, 89033984, 111292480, 136975360, 178067968, 222584960, 356135936, 445169920, 890339840, 1780679680]

約数ペア:

[(1, 1780679680), (2, 890339840), (4, 445169920), (5, 356135936), (8, 222584960), (10, 178067968), (13, 136975360), (16, 111292480), (20, 89033984), (26, 68487680), (31, 57441280), (32, 55646240), (40, 44516992), (52, 34243840), (62, 28720640), (64, 27823120), (65, 27395072), (80, 22258496), (104, 17121920), (124, 14360320), (128, 13911560), (130, 13697536), (155, 11488256), (160, 11129248), (208, 8560960), (248, 7180160), (256, 6955780), (260, 6848768), (310, 5744128), (320, 5564624), (403, 4418560), (416, 4280480), (496, 3590080), (512, 3477890), (520, 3424384), (620, 2872064), (640, 2782312), (806, 2209280), (832, 2140240), (863, 2063360), (992, 1795040), (1024, 1738945), (1040, 1712192), (1240, 1436032), (1280, 1391156), (1612, 1104640), (1664, 1070120), (1726, 1031680), (1984, 897520), (2015, 883712), (2080, 856096), (2480, 718016), (2560, 695578), (3224, 552320), (3328, 535060), (3452, 515840), (3968, 448760), (4030, 441856), (4160, 428048), (4315, 412672), (4960, 359008), (5120, 347789), (6448, 276160), (6656, 267530), (6904, 257920), (7936, 224380), (8060, 220928), (8320, 214024), (8630, 206336), (9920, 179504), (11219, 158720), (12896, 138080), (13312, 133765), (13808, 128960), (15872, 112190), (16120, 110464), (16640, 107012), (17260, 103168), (19840, 89752), (22438, 79360), (25792, 69040), (26753, 66560), (27616, 64480), (31744, 56095), (32240, 55232), (33280, 53506), (34520, 51584), (39680, 44876)]