990040080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{111491}}^1$

素因数の和:111544

約数の個数: 80

約数和(自身を含む): 3152101824

約数和(自身を除く): 2162061744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 111491, 222982, 334473, 445964, 557455, 668946, 891928, 1114910, 1337892, 1672365, 1783856, 2229820, 2675784, 3344730, 4125167, 4459640, 5351568, 6689460, 8250334, 8919280, 12375501, 13378920, 16500668, 20625835, 24751002, 26757840, 33001336, 41251670, 49502004, 61877505, 66002672, 82503340, 99004008, 123755010, 165006680, 198008016, 247510020, 330013360, 495020040, 990040080]

約数ペア:

[(1, 990040080), (2, 495020040), (3, 330013360), (4, 247510020), (5, 198008016), (6, 165006680), (8, 123755010), (10, 99004008), (12, 82503340), (15, 66002672), (16, 61877505), (20, 49502004), (24, 41251670), (30, 33001336), (37, 26757840), (40, 24751002), (48, 20625835), (60, 16500668), (74, 13378920), (80, 12375501), (111, 8919280), (120, 8250334), (148, 6689460), (185, 5351568), (222, 4459640), (240, 4125167), (296, 3344730), (370, 2675784), (444, 2229820), (555, 1783856), (592, 1672365), (740, 1337892), (888, 1114910), (1110, 891928), (1480, 668946), (1776, 557455), (2220, 445964), (2960, 334473), (4440, 222982), (8880, 111491)]