720291520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:763

約数の個数: 168

約数和(自身を含む): 1957821840

約数和(自身を除く): 1237530320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 247, 260, 304, 320, 338, 380, 416, 494, 520, 608, 676, 701, 760, 832, 845, 988, 1040, 1216, 1235, 1352, 1402, 1520, 1690, 1976, 2080, 2470, 2704, 2804, 3040, 3211, 3380, 3505, 3952, 4160, 4940, 5408, 5608, 6080, 6422, 6760, 7010, 7904, 9113, 9880, 10816, 11216, 12844, 13319, 13520, 14020, 15808, 16055, 18226, 19760, 22432, 25688, 26638, 27040, 28040, 32110, 36452, 39520, 44864, 45565, 51376, 53276, 54080, 56080, 64220, 66595, 72904, 79040, 91130, 102752, 106552, 112160, 118469, 128440, 133190, 145808, 173147, 182260, 205504, 213104, 224320, 236938, 256880, 266380, 291616, 346294, 364520, 426208, 473876, 513760, 532760, 583232, 592345, 692588, 729040, 852416, 865735, 947752, 1027520, 1065520, 1184690, 1385176, 1458080, 1731470, 1895504, 2131040, 2250911, 2369380, 2770352, 2916160, 3462940, 3791008, 4262080, 4501822, 4738760, 5540704, 6925880, 7582016, 9003644, 9477520, 11081408, 11254555, 13851760, 18007288, 18955040, 22509110, 27703520, 36014576, 37910080, 45018220, 55407040, 72029152, 90036440, 144058304, 180072880, 360145760, 720291520]

約数ペア:

[(1, 720291520), (2, 360145760), (4, 180072880), (5, 144058304), (8, 90036440), (10, 72029152), (13, 55407040), (16, 45018220), (19, 37910080), (20, 36014576), (26, 27703520), (32, 22509110), (38, 18955040), (40, 18007288), (52, 13851760), (64, 11254555), (65, 11081408), (76, 9477520), (80, 9003644), (95, 7582016), (104, 6925880), (130, 5540704), (152, 4738760), (160, 4501822), (169, 4262080), (190, 3791008), (208, 3462940), (247, 2916160), (260, 2770352), (304, 2369380), (320, 2250911), (338, 2131040), (380, 1895504), (416, 1731470), (494, 1458080), (520, 1385176), (608, 1184690), (676, 1065520), (701, 1027520), (760, 947752), (832, 865735), (845, 852416), (988, 729040), (1040, 692588), (1216, 592345), (1235, 583232), (1352, 532760), (1402, 513760), (1520, 473876), (1690, 426208), (1976, 364520), (2080, 346294), (2470, 291616), (2704, 266380), (2804, 256880), (3040, 236938), (3211, 224320), (3380, 213104), (3505, 205504), (3952, 182260), (4160, 173147), (4940, 145808), (5408, 133190), (5608, 128440), (6080, 118469), (6422, 112160), (6760, 106552), (7010, 102752), (7904, 91130), (9113, 79040), (9880, 72904), (10816, 66595), (11216, 64220), (12844, 56080), (13319, 54080), (13520, 53276), (14020, 51376), (15808, 45565), (16055, 44864), (18226, 39520), (19760, 36452), (22432, 32110), (25688, 28040), (26638, 27040)]