1979968140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{354833}}^1$

素因数の和:354879

約数の個数: 72

約数和(自身を含む): 6199659648

約数和(自身を除く): 4219691508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 354833, 709666, 1064499, 1419332, 1774165, 2128998, 3193497, 3548330, 4257996, 5322495, 6386994, 7096660, 10644990, 10999823, 12773988, 15967485, 21289980, 21999646, 31934970, 32999469, 43999292, 54999115, 63869940, 65998938, 98998407, 109998230, 131997876, 164997345, 197996814, 219996460, 329994690, 395993628, 494992035, 659989380, 989984070, 1979968140]

約数ペア:

[(1, 1979968140), (2, 989984070), (3, 659989380), (4, 494992035), (5, 395993628), (6, 329994690), (9, 219996460), (10, 197996814), (12, 164997345), (15, 131997876), (18, 109998230), (20, 98998407), (30, 65998938), (31, 63869940), (36, 54999115), (45, 43999292), (60, 32999469), (62, 31934970), (90, 21999646), (93, 21289980), (124, 15967485), (155, 12773988), (180, 10999823), (186, 10644990), (279, 7096660), (310, 6386994), (372, 5322495), (465, 4257996), (558, 3548330), (620, 3193497), (930, 2128998), (1116, 1774165), (1395, 1419332), (1860, 1064499), (2790, 709666), (5580, 354833)]