639034920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{197233}}^1$

素因数の和:197256

約数の個数: 80

約数和(自身を含む): 2147878260

約数和(自身を除く): 1508843340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 197233, 394466, 591699, 788932, 986165, 1183398, 1577864, 1775097, 1972330, 2366796, 2958495, 3550194, 3944660, 4733592, 5325291, 5916990, 7100388, 7889320, 8875485, 10650582, 11833980, 14200776, 15975873, 17750970, 21301164, 23667960, 26626455, 31951746, 35501940, 42602328, 53252910, 63903492, 71003880, 79879365, 106505820, 127806984, 159758730, 213011640, 319517460, 639034920]

約数ペア:

[(1, 639034920), (2, 319517460), (3, 213011640), (4, 159758730), (5, 127806984), (6, 106505820), (8, 79879365), (9, 71003880), (10, 63903492), (12, 53252910), (15, 42602328), (18, 35501940), (20, 31951746), (24, 26626455), (27, 23667960), (30, 21301164), (36, 17750970), (40, 15975873), (45, 14200776), (54, 11833980), (60, 10650582), (72, 8875485), (81, 7889320), (90, 7100388), (108, 5916990), (120, 5325291), (135, 4733592), (162, 3944660), (180, 3550194), (216, 2958495), (270, 2366796), (324, 1972330), (360, 1775097), (405, 1577864), (540, 1183398), (648, 986165), (810, 788932), (1080, 591699), (1620, 394466), (3240, 197233)]