216720760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6781}}^1$

素因数の和:6856

約数の個数: 64

約数和(自身を含む): 527368320

約数和(自身を除く): 310647560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 6781, 7990, 13562, 15980, 27124, 31960, 33905, 54248, 67810, 115277, 135620, 230554, 271240, 318707, 461108, 576385, 637414, 922216, 1152770, 1274828, 1593535, 2305540, 2549656, 3187070, 4611080, 5418019, 6374140, 10836038, 12748280, 21672076, 27090095, 43344152, 54180190, 108360380, 216720760]

約数ペア:

[(1, 216720760), (2, 108360380), (4, 54180190), (5, 43344152), (8, 27090095), (10, 21672076), (17, 12748280), (20, 10836038), (34, 6374140), (40, 5418019), (47, 4611080), (68, 3187070), (85, 2549656), (94, 2305540), (136, 1593535), (170, 1274828), (188, 1152770), (235, 922216), (340, 637414), (376, 576385), (470, 461108), (680, 318707), (799, 271240), (940, 230554), (1598, 135620), (1880, 115277), (3196, 67810), (3995, 54248), (6392, 33905), (6781, 31960), (7990, 27124), (13562, 15980)]