80789220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448829}}^1$

素因数の和:448844

約数の個数: 36

約数和(自身を含む): 245061180

約数和(自身を除く): 164271960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448829, 897658, 1346487, 1795316, 2244145, 2692974, 4039461, 4488290, 5385948, 6732435, 8078922, 8976580, 13464870, 16157844, 20197305, 26929740, 40394610, 80789220]

約数ペア:

[(1, 80789220), (2, 40394610), (3, 26929740), (4, 20197305), (5, 16157844), (6, 13464870), (9, 8976580), (10, 8078922), (12, 6732435), (15, 5385948), (18, 4488290), (20, 4039461), (30, 2692974), (36, 2244145), (45, 1795316), (60, 1346487), (90, 897658), (180, 448829)]