256804920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{713347}}^1$

素因数の和:713364

約数の個数: 48

約数和(自身を含む): 834617160

約数和(自身を除く): 577812240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 713347, 1426694, 2140041, 2853388, 3566735, 4280082, 5706776, 6420123, 7133470, 8560164, 10700205, 12840246, 14266940, 17120328, 21400410, 25680492, 28533880, 32100615, 42800820, 51360984, 64201230, 85601640, 128402460, 256804920]

約数ペア:

[(1, 256804920), (2, 128402460), (3, 85601640), (4, 64201230), (5, 51360984), (6, 42800820), (8, 32100615), (9, 28533880), (10, 25680492), (12, 21400410), (15, 17120328), (18, 14266940), (20, 12840246), (24, 10700205), (30, 8560164), (36, 7133470), (40, 6420123), (45, 5706776), (60, 4280082), (72, 3566735), (90, 2853388), (120, 2140041), (180, 1426694), (360, 713347)]