7441036720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{36319}}^1$

素因数の和:36542

約数の個数: 80

約数和(自身を含む): 18726301440

約数和(自身を除く): 11285264720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 394, 520, 788, 985, 1040, 1576, 1970, 2561, 3152, 3940, 5122, 7880, 10244, 12805, 15760, 20488, 25610, 36319, 40976, 51220, 72638, 102440, 145276, 181595, 204880, 290552, 363190, 472147, 581104, 726380, 944294, 1452760, 1888588, 2360735, 2905520, 3777176, 4721470, 7154843, 7554352, 9442940, 14309686, 18885880, 28619372, 35774215, 37771760, 57238744, 71548430, 93012959, 114477488, 143096860, 186025918, 286193720, 372051836, 465064795, 572387440, 744103672, 930129590, 1488207344, 1860259180, 3720518360, 7441036720]

約数ペア:

[(1, 7441036720), (2, 3720518360), (4, 1860259180), (5, 1488207344), (8, 930129590), (10, 744103672), (13, 572387440), (16, 465064795), (20, 372051836), (26, 286193720), (40, 186025918), (52, 143096860), (65, 114477488), (80, 93012959), (104, 71548430), (130, 57238744), (197, 37771760), (208, 35774215), (260, 28619372), (394, 18885880), (520, 14309686), (788, 9442940), (985, 7554352), (1040, 7154843), (1576, 4721470), (1970, 3777176), (2561, 2905520), (3152, 2360735), (3940, 1888588), (5122, 1452760), (7880, 944294), (10244, 726380), (12805, 581104), (15760, 472147), (20488, 363190), (25610, 290552), (36319, 204880), (40976, 181595), (51220, 145276), (72638, 102440)]