218280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 699840

約数和(自身を除く): 481560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 107, 120, 136, 170, 204, 214, 255, 321, 340, 408, 428, 510, 535, 642, 680, 856, 1020, 1070, 1284, 1605, 1819, 2040, 2140, 2568, 3210, 3638, 4280, 5457, 6420, 7276, 9095, 10914, 12840, 14552, 18190, 21828, 27285, 36380, 43656, 54570, 72760, 109140, 218280]

約数ペア:

[(1, 218280), (2, 109140), (3, 72760), (4, 54570), (5, 43656), (6, 36380), (8, 27285), (10, 21828), (12, 18190), (15, 14552), (17, 12840), (20, 10914), (24, 9095), (30, 7276), (34, 6420), (40, 5457), (51, 4280), (60, 3638), (68, 3210), (85, 2568), (102, 2140), (107, 2040), (120, 1819), (136, 1605), (170, 1284), (204, 1070), (214, 1020), (255, 856), (321, 680), (340, 642), (408, 535), (428, 510)]