143415320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 332640000

約数和(自身を除く): 189224680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 199, 215, 344, 398, 419, 430, 796, 838, 860, 995, 1592, 1676, 1720, 1990, 2095, 3352, 3980, 4190, 7960, 8380, 8557, 16760, 17114, 18017, 34228, 36034, 42785, 68456, 72068, 83381, 85570, 90085, 144136, 166762, 171140, 180170, 333524, 342280, 360340, 416905, 667048, 720680, 833810, 1667620, 3335240, 3585383, 7170766, 14341532, 17926915, 28683064, 35853830, 71707660, 143415320]

約数ペア:

[(1, 143415320), (2, 71707660), (4, 35853830), (5, 28683064), (8, 17926915), (10, 14341532), (20, 7170766), (40, 3585383), (43, 3335240), (86, 1667620), (172, 833810), (199, 720680), (215, 667048), (344, 416905), (398, 360340), (419, 342280), (430, 333524), (796, 180170), (838, 171140), (860, 166762), (995, 144136), (1592, 90085), (1676, 85570), (1720, 83381), (1990, 72068), (2095, 68456), (3352, 42785), (3980, 36034), (4190, 34228), (7960, 18017), (8380, 17114), (8557, 16760)]