256859280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{356749}}^1$

素因数の和:356768

約数の個数: 60

約数和(自身を含む): 862621500

約数和(自身を除く): 605762220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 356749, 713498, 1070247, 1426996, 1783745, 2140494, 2853992, 3210741, 3567490, 4280988, 5351235, 5707984, 6421482, 7134980, 8561976, 10702470, 12842964, 14269960, 16053705, 17123952, 21404940, 25685928, 28539920, 32107410, 42809880, 51371856, 64214820, 85619760, 128429640, 256859280]

約数ペア:

[(1, 256859280), (2, 128429640), (3, 85619760), (4, 64214820), (5, 51371856), (6, 42809880), (8, 32107410), (9, 28539920), (10, 25685928), (12, 21404940), (15, 17123952), (16, 16053705), (18, 14269960), (20, 12842964), (24, 10702470), (30, 8561976), (36, 7134980), (40, 6421482), (45, 5707984), (48, 5351235), (60, 4280988), (72, 3567490), (80, 3210741), (90, 2853992), (120, 2140494), (144, 1783745), (180, 1426996), (240, 1070247), (360, 713498), (720, 356749)]