81514400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 222173280

約数和(自身を除く): 140658880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 59, 80, 88, 100, 110, 118, 157, 160, 176, 200, 220, 236, 275, 295, 314, 352, 400, 440, 472, 550, 590, 628, 649, 785, 800, 880, 944, 1100, 1180, 1256, 1298, 1475, 1570, 1727, 1760, 1888, 2200, 2360, 2512, 2596, 2950, 3140, 3245, 3454, 3925, 4400, 4720, 5024, 5192, 5900, 6280, 6490, 6908, 7850, 8635, 8800, 9263, 9440, 10384, 11800, 12560, 12980, 13816, 15700, 16225, 17270, 18526, 20768, 23600, 25120, 25960, 27632, 31400, 32450, 34540, 37052, 43175, 46315, 47200, 51920, 55264, 62800, 64900, 69080, 74104, 86350, 92630, 101893, 103840, 125600, 129800, 138160, 148208, 172700, 185260, 203786, 231575, 259600, 276320, 296416, 345400, 370520, 407572, 463150, 509465, 519200, 690800, 741040, 815144, 926300, 1018930, 1381600, 1482080, 1630288, 1852600, 2037860, 2547325, 3260576, 3705200, 4075720, 5094650, 7410400, 8151440, 10189300, 16302880, 20378600, 40757200, 81514400]

約数ペア:

[(1, 81514400), (2, 40757200), (4, 20378600), (5, 16302880), (8, 10189300), (10, 8151440), (11, 7410400), (16, 5094650), (20, 4075720), (22, 3705200), (25, 3260576), (32, 2547325), (40, 2037860), (44, 1852600), (50, 1630288), (55, 1482080), (59, 1381600), (80, 1018930), (88, 926300), (100, 815144), (110, 741040), (118, 690800), (157, 519200), (160, 509465), (176, 463150), (200, 407572), (220, 370520), (236, 345400), (275, 296416), (295, 276320), (314, 259600), (352, 231575), (400, 203786), (440, 185260), (472, 172700), (550, 148208), (590, 138160), (628, 129800), (649, 125600), (785, 103840), (800, 101893), (880, 92630), (944, 86350), (1100, 74104), (1180, 69080), (1256, 64900), (1298, 62800), (1475, 55264), (1570, 51920), (1727, 47200), (1760, 46315), (1888, 43175), (2200, 37052), (2360, 34540), (2512, 32450), (2596, 31400), (2950, 27632), (3140, 25960), (3245, 25120), (3454, 23600), (3925, 20768), (4400, 18526), (4720, 17270), (5024, 16225), (5192, 15700), (5900, 13816), (6280, 12980), (6490, 12560), (6908, 11800), (7850, 10384), (8635, 9440), (8800, 9263)]