1214654720

素因数分解:

$2^8\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4817}}^1$

素因数の和:5035

約数の個数: 72

約数和(自身を含む): 2924853624

約数和(自身を除く): 1710198904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 320, 394, 640, 788, 985, 1280, 1576, 1970, 3152, 3940, 4817, 6304, 7880, 9634, 12608, 15760, 19268, 24085, 25216, 31520, 38536, 48170, 50432, 63040, 77072, 96340, 126080, 154144, 192680, 252160, 308288, 385360, 616576, 770720, 948949, 1233152, 1541440, 1897898, 3082880, 3795796, 4744745, 6165760, 7591592, 9489490, 15183184, 18978980, 30366368, 37957960, 60732736, 75915920, 121465472, 151831840, 242930944, 303663680, 607327360, 1214654720]

約数ペア:

[(1, 1214654720), (2, 607327360), (4, 303663680), (5, 242930944), (8, 151831840), (10, 121465472), (16, 75915920), (20, 60732736), (32, 37957960), (40, 30366368), (64, 18978980), (80, 15183184), (128, 9489490), (160, 7591592), (197, 6165760), (256, 4744745), (320, 3795796), (394, 3082880), (640, 1897898), (788, 1541440), (985, 1233152), (1280, 948949), (1576, 770720), (1970, 616576), (3152, 385360), (3940, 308288), (4817, 252160), (6304, 192680), (7880, 154144), (9634, 126080), (12608, 96340), (15760, 77072), (19268, 63040), (24085, 50432), (25216, 48170), (31520, 38536)]