521656300720

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2897}}^1\times {\mathrm{19919}}^1$

素因数の和:22942

約数の個数: 80

約数和(自身を含む): 1224067904640

約数和(自身を除く): 702411603920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 2897, 4520, 5794, 9040, 11588, 14485, 19919, 23176, 28970, 39838, 46352, 57940, 79676, 99595, 115880, 159352, 199190, 231760, 318704, 327361, 398380, 654722, 796760, 1309444, 1593520, 1636805, 2250847, 2618888, 3273610, 4501694, 5237776, 6547220, 9003388, 11254235, 13094440, 18006776, 22508470, 26188880, 36013552, 45016940, 57705343, 90033880, 115410686, 180067760, 230821372, 288526715, 461642744, 577053430, 923285488, 1154106860, 2308213720, 4616427440, 6520703759, 13041407518, 26082815036, 32603518795, 52165630072, 65207037590, 104331260144, 130414075180, 260828150360, 521656300720]

約数ペア:

[(1, 521656300720), (2, 260828150360), (4, 130414075180), (5, 104331260144), (8, 65207037590), (10, 52165630072), (16, 32603518795), (20, 26082815036), (40, 13041407518), (80, 6520703759), (113, 4616427440), (226, 2308213720), (452, 1154106860), (565, 923285488), (904, 577053430), (1130, 461642744), (1808, 288526715), (2260, 230821372), (2897, 180067760), (4520, 115410686), (5794, 90033880), (9040, 57705343), (11588, 45016940), (14485, 36013552), (19919, 26188880), (23176, 22508470), (28970, 18006776), (39838, 13094440), (46352, 11254235), (57940, 9003388), (79676, 6547220), (99595, 5237776), (115880, 4501694), (159352, 3273610), (199190, 2618888), (231760, 2250847), (318704, 1636805), (327361, 1593520), (398380, 1309444), (654722, 796760)]