81548000

素因数分解:

$2^5\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 224078400

約数和(自身を除く): 142530400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 32, 37, 38, 40, 50, 58, 74, 76, 80, 95, 100, 116, 125, 145, 148, 152, 160, 185, 190, 200, 232, 250, 290, 296, 304, 370, 380, 400, 464, 475, 500, 551, 580, 592, 608, 703, 725, 740, 760, 800, 925, 928, 950, 1000, 1073, 1102, 1160, 1184, 1406, 1450, 1480, 1520, 1850, 1900, 2000, 2146, 2204, 2320, 2375, 2755, 2812, 2900, 2960, 3040, 3515, 3625, 3700, 3800, 4000, 4292, 4408, 4625, 4640, 4750, 5365, 5510, 5624, 5800, 5920, 7030, 7250, 7400, 7600, 8584, 8816, 9250, 9500, 10730, 11020, 11248, 11600, 13775, 14060, 14500, 14800, 15200, 17168, 17575, 17632, 18500, 19000, 20387, 21460, 22040, 22496, 23200, 26825, 27550, 28120, 29000, 29600, 34336, 35150, 37000, 38000, 40774, 42920, 44080, 53650, 55100, 56240, 58000, 68875, 70300, 74000, 76000, 81548, 85840, 87875, 88160, 101935, 107300, 110200, 112480, 116000, 134125, 137750, 140600, 148000, 163096, 171680, 175750, 203870, 214600, 220400, 268250, 275500, 281200, 326192, 351500, 407740, 429200, 440800, 509675, 536500, 551000, 562400, 652384, 703000, 815480, 858400, 1019350, 1073000, 1102000, 1406000, 1630960, 2038700, 2146000, 2204000, 2548375, 2812000, 3261920, 4077400, 4292000, 5096750, 8154800, 10193500, 16309600, 20387000, 40774000, 81548000]

約数ペア:

[(1, 81548000), (2, 40774000), (4, 20387000), (5, 16309600), (8, 10193500), (10, 8154800), (16, 5096750), (19, 4292000), (20, 4077400), (25, 3261920), (29, 2812000), (32, 2548375), (37, 2204000), (38, 2146000), (40, 2038700), (50, 1630960), (58, 1406000), (74, 1102000), (76, 1073000), (80, 1019350), (95, 858400), (100, 815480), (116, 703000), (125, 652384), (145, 562400), (148, 551000), (152, 536500), (160, 509675), (185, 440800), (190, 429200), (200, 407740), (232, 351500), (250, 326192), (290, 281200), (296, 275500), (304, 268250), (370, 220400), (380, 214600), (400, 203870), (464, 175750), (475, 171680), (500, 163096), (551, 148000), (580, 140600), (592, 137750), (608, 134125), (703, 116000), (725, 112480), (740, 110200), (760, 107300), (800, 101935), (925, 88160), (928, 87875), (950, 85840), (1000, 81548), (1073, 76000), (1102, 74000), (1160, 70300), (1184, 68875), (1406, 58000), (1450, 56240), (1480, 55100), (1520, 53650), (1850, 44080), (1900, 42920), (2000, 40774), (2146, 38000), (2204, 37000), (2320, 35150), (2375, 34336), (2755, 29600), (2812, 29000), (2900, 28120), (2960, 27550), (3040, 26825), (3515, 23200), (3625, 22496), (3700, 22040), (3800, 21460), (4000, 20387), (4292, 19000), (4408, 18500), (4625, 17632), (4640, 17575), (4750, 17168), (5365, 15200), (5510, 14800), (5624, 14500), (5800, 14060), (5920, 13775), (7030, 11600), (7250, 11248), (7400, 11020), (7600, 10730), (8584, 9500), (8816, 9250)]