141780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 423360

約数和(自身を除く): 281580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 204, 255, 278, 340, 417, 510, 556, 695, 834, 1020, 1390, 1668, 2085, 2363, 2780, 4170, 4726, 7089, 8340, 9452, 11815, 14178, 23630, 28356, 35445, 47260, 70890, 141780]

約数ペア:

[(1, 141780), (2, 70890), (3, 47260), (4, 35445), (5, 28356), (6, 23630), (10, 14178), (12, 11815), (15, 9452), (17, 8340), (20, 7089), (30, 4726), (34, 4170), (51, 2780), (60, 2363), (68, 2085), (85, 1668), (102, 1390), (139, 1020), (170, 834), (204, 695), (255, 556), (278, 510), (340, 417)]