81564000

素因数分解:

$2^5\times 3^1\times 5^3\times 7^1\times {\mathrm{971}}^1$

素因数の和:1006

約数の個数: 192

約数和(自身を含む): 305690112

約数和(自身を除く): 224126112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 150, 160, 168, 175, 200, 210, 224, 240, 250, 280, 300, 336, 350, 375, 400, 420, 480, 500, 525, 560, 600, 672, 700, 750, 800, 840, 875, 971, 1000, 1050, 1120, 1200, 1400, 1500, 1680, 1750, 1942, 2000, 2100, 2400, 2625, 2800, 2913, 3000, 3360, 3500, 3884, 4000, 4200, 4855, 5250, 5600, 5826, 6000, 6797, 7000, 7768, 8400, 9710, 10500, 11652, 12000, 13594, 14000, 14565, 15536, 16800, 19420, 20391, 21000, 23304, 24275, 27188, 28000, 29130, 31072, 33985, 38840, 40782, 42000, 46608, 48550, 54376, 58260, 67970, 72825, 77680, 81564, 84000, 93216, 97100, 101955, 108752, 116520, 121375, 135940, 145650, 155360, 163128, 169925, 194200, 203910, 217504, 233040, 242750, 271880, 291300, 326256, 339850, 364125, 388400, 407820, 466080, 485500, 509775, 543760, 582600, 652512, 679700, 728250, 776800, 815640, 849625, 971000, 1019550, 1087520, 1165200, 1359400, 1456500, 1631280, 1699250, 1942000, 2039100, 2330400, 2548875, 2718800, 2913000, 3262560, 3398500, 3884000, 4078200, 5097750, 5437600, 5826000, 6797000, 8156400, 10195500, 11652000, 13594000, 16312800, 20391000, 27188000, 40782000, 81564000]

約数ペア:

[(1, 81564000), (2, 40782000), (3, 27188000), (4, 20391000), (5, 16312800), (6, 13594000), (7, 11652000), (8, 10195500), (10, 8156400), (12, 6797000), (14, 5826000), (15, 5437600), (16, 5097750), (20, 4078200), (21, 3884000), (24, 3398500), (25, 3262560), (28, 2913000), (30, 2718800), (32, 2548875), (35, 2330400), (40, 2039100), (42, 1942000), (48, 1699250), (50, 1631280), (56, 1456500), (60, 1359400), (70, 1165200), (75, 1087520), (80, 1019550), (84, 971000), (96, 849625), (100, 815640), (105, 776800), (112, 728250), (120, 679700), (125, 652512), (140, 582600), (150, 543760), (160, 509775), (168, 485500), (175, 466080), (200, 407820), (210, 388400), (224, 364125), (240, 339850), (250, 326256), (280, 291300), (300, 271880), (336, 242750), (350, 233040), (375, 217504), (400, 203910), (420, 194200), (480, 169925), (500, 163128), (525, 155360), (560, 145650), (600, 135940), (672, 121375), (700, 116520), (750, 108752), (800, 101955), (840, 97100), (875, 93216), (971, 84000), (1000, 81564), (1050, 77680), (1120, 72825), (1200, 67970), (1400, 58260), (1500, 54376), (1680, 48550), (1750, 46608), (1942, 42000), (2000, 40782), (2100, 38840), (2400, 33985), (2625, 31072), (2800, 29130), (2913, 28000), (3000, 27188), (3360, 24275), (3500, 23304), (3884, 21000), (4000, 20391), (4200, 19420), (4855, 16800), (5250, 15536), (5600, 14565), (5826, 14000), (6000, 13594), (6797, 12000), (7000, 11652), (7768, 10500), (8400, 9710)]