640549296

素因数分解:

$2^4\times 3^4\times {\mathrm{494251}}^1$

素因数の和:494271

約数の個数: 50

約数和(自身を含む): 1853939252

約数和(自身を除く): 1213389956

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 494251, 988502, 1482753, 1977004, 2965506, 3954008, 4448259, 5931012, 7908016, 8896518, 11862024, 13344777, 17793036, 23724048, 26689554, 35586072, 40034331, 53379108, 71172144, 80068662, 106758216, 160137324, 213516432, 320274648, 640549296]

約数ペア:

[(1, 640549296), (2, 320274648), (3, 213516432), (4, 160137324), (6, 106758216), (8, 80068662), (9, 71172144), (12, 53379108), (16, 40034331), (18, 35586072), (24, 26689554), (27, 23724048), (36, 17793036), (48, 13344777), (54, 11862024), (72, 8896518), (81, 7908016), (108, 5931012), (144, 4448259), (162, 3954008), (216, 2965506), (324, 1977004), (432, 1482753), (648, 988502), (1296, 494251)]