180771500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 506338560

約数和(自身を除く): 325567060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 91, 100, 116, 125, 130, 137, 140, 145, 175, 182, 203, 250, 260, 274, 290, 325, 350, 364, 377, 406, 455, 500, 548, 580, 650, 685, 700, 725, 754, 812, 875, 910, 959, 1015, 1300, 1370, 1450, 1508, 1625, 1750, 1781, 1820, 1885, 1918, 2030, 2275, 2639, 2740, 2900, 3250, 3425, 3500, 3562, 3625, 3770, 3836, 3973, 4060, 4550, 4795, 5075, 5278, 6500, 6850, 7124, 7250, 7540, 7946, 8905, 9100, 9425, 9590, 10150, 10556, 11375, 12467, 13195, 13700, 14500, 15892, 17125, 17810, 18850, 19180, 19865, 20300, 22750, 23975, 24934, 25375, 26390, 27811, 34250, 35620, 37700, 39730, 44525, 45500, 47125, 47950, 49868, 50750, 51649, 52780, 55622, 62335, 65975, 68500, 79460, 89050, 94250, 95900, 99325, 101500, 103298, 111244, 119875, 124670, 131950, 139055, 178100, 188500, 198650, 206596, 222625, 239750, 249340, 258245, 263900, 278110, 311675, 329875, 361543, 397300, 445250, 479500, 496625, 516490, 556220, 623350, 659750, 695275, 723086, 890500, 993250, 1032980, 1246700, 1291225, 1319500, 1390550, 1446172, 1558375, 1807715, 1986500, 2582450, 2781100, 3116750, 3476375, 3615430, 5164900, 6233500, 6456125, 6952750, 7230860, 9038575, 12912250, 13905500, 18077150, 25824500, 36154300, 45192875, 90385750, 180771500]

約数ペア:

[(1, 180771500), (2, 90385750), (4, 45192875), (5, 36154300), (7, 25824500), (10, 18077150), (13, 13905500), (14, 12912250), (20, 9038575), (25, 7230860), (26, 6952750), (28, 6456125), (29, 6233500), (35, 5164900), (50, 3615430), (52, 3476375), (58, 3116750), (65, 2781100), (70, 2582450), (91, 1986500), (100, 1807715), (116, 1558375), (125, 1446172), (130, 1390550), (137, 1319500), (140, 1291225), (145, 1246700), (175, 1032980), (182, 993250), (203, 890500), (250, 723086), (260, 695275), (274, 659750), (290, 623350), (325, 556220), (350, 516490), (364, 496625), (377, 479500), (406, 445250), (455, 397300), (500, 361543), (548, 329875), (580, 311675), (650, 278110), (685, 263900), (700, 258245), (725, 249340), (754, 239750), (812, 222625), (875, 206596), (910, 198650), (959, 188500), (1015, 178100), (1300, 139055), (1370, 131950), (1450, 124670), (1508, 119875), (1625, 111244), (1750, 103298), (1781, 101500), (1820, 99325), (1885, 95900), (1918, 94250), (2030, 89050), (2275, 79460), (2639, 68500), (2740, 65975), (2900, 62335), (3250, 55622), (3425, 52780), (3500, 51649), (3562, 50750), (3625, 49868), (3770, 47950), (3836, 47125), (3973, 45500), (4060, 44525), (4550, 39730), (4795, 37700), (5075, 35620), (5278, 34250), (6500, 27811), (6850, 26390), (7124, 25375), (7250, 24934), (7540, 23975), (7946, 22750), (8905, 20300), (9100, 19865), (9425, 19180), (9590, 18850), (10150, 17810), (10556, 17125), (11375, 15892), (12467, 14500), (13195, 13700)]