1915741520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{310997}}^1$

素因数の和:311028

約数の個数: 80

約数和(自身を含む): 5553180288

約数和(自身を除く): 3637438768

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 310997, 621994, 1243988, 1554985, 2176979, 2487976, 3109970, 3420967, 4353958, 4975952, 6219940, 6841934, 8707916, 10884895, 12439880, 13683868, 17104835, 17415832, 21769790, 23946769, 24879760, 27367736, 34209670, 34831664, 43539580, 47893538, 54735472, 68419340, 87079160, 95787076, 119733845, 136838680, 174158320, 191574152, 239467690, 273677360, 383148304, 478935380, 957870760, 1915741520]

約数ペア:

[(1, 1915741520), (2, 957870760), (4, 478935380), (5, 383148304), (7, 273677360), (8, 239467690), (10, 191574152), (11, 174158320), (14, 136838680), (16, 119733845), (20, 95787076), (22, 87079160), (28, 68419340), (35, 54735472), (40, 47893538), (44, 43539580), (55, 34831664), (56, 34209670), (70, 27367736), (77, 24879760), (80, 23946769), (88, 21769790), (110, 17415832), (112, 17104835), (140, 13683868), (154, 12439880), (176, 10884895), (220, 8707916), (280, 6841934), (308, 6219940), (385, 4975952), (440, 4353958), (560, 3420967), (616, 3109970), (770, 2487976), (880, 2176979), (1232, 1554985), (1540, 1243988), (3080, 621994), (6160, 310997)]