261092460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{255973}}^1$

素因数の和:256002

約数の個数: 48

約数和(自身を含む): 774065376

約数和(自身を除く): 512972916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 255973, 511946, 767919, 1023892, 1279865, 1535838, 2559730, 3071676, 3839595, 4351541, 5119460, 7679190, 8703082, 13054623, 15358380, 17406164, 21757705, 26109246, 43515410, 52218492, 65273115, 87030820, 130546230, 261092460]

約数ペア:

[(1, 261092460), (2, 130546230), (3, 87030820), (4, 65273115), (5, 52218492), (6, 43515410), (10, 26109246), (12, 21757705), (15, 17406164), (17, 15358380), (20, 13054623), (30, 8703082), (34, 7679190), (51, 5119460), (60, 4351541), (68, 3839595), (85, 3071676), (102, 2559730), (170, 1535838), (204, 1279865), (255, 1023892), (340, 767919), (510, 511946), (1020, 255973)]