65213643520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1\times {\mathrm{1549}}^1$

素因数の和:2662

約数の個数: 144

約数和(自身を含む): 161502163200

約数和(自身を除く): 96288519680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1061, 1240, 1280, 1549, 1984, 2122, 2480, 3098, 3968, 4244, 4960, 5305, 6196, 7745, 7936, 8488, 9920, 10610, 12392, 15490, 16976, 19840, 21220, 24784, 30980, 32891, 33952, 39680, 42440, 48019, 49568, 61960, 65782, 67904, 84880, 96038, 99136, 123920, 131564, 135808, 164455, 169760, 192076, 198272, 240095, 247840, 263128, 271616, 328910, 339520, 384152, 396544, 480190, 495680, 526256, 657820, 679040, 768304, 960380, 991360, 1052512, 1315640, 1358080, 1536608, 1643489, 1920760, 1982720, 2105024, 2631280, 3073216, 3286978, 3841520, 4210048, 5262560, 6146432, 6573956, 7683040, 8217445, 8420096, 10525120, 12292864, 13147912, 15366080, 16434890, 21050240, 26295824, 30732160, 32869780, 42100480, 50948159, 52591648, 61464320, 65739560, 101896318, 105183296, 131479120, 203792636, 210366592, 254740795, 262958240, 407585272, 420733184, 509481590, 525916480, 815170544, 1018963180, 1051832960, 1630341088, 2037926360, 2103665920, 3260682176, 4075852720, 6521364352, 8151705440, 13042728704, 16303410880, 32606821760, 65213643520]

約数ペア:

[(1, 65213643520), (2, 32606821760), (4, 16303410880), (5, 13042728704), (8, 8151705440), (10, 6521364352), (16, 4075852720), (20, 3260682176), (31, 2103665920), (32, 2037926360), (40, 1630341088), (62, 1051832960), (64, 1018963180), (80, 815170544), (124, 525916480), (128, 509481590), (155, 420733184), (160, 407585272), (248, 262958240), (256, 254740795), (310, 210366592), (320, 203792636), (496, 131479120), (620, 105183296), (640, 101896318), (992, 65739560), (1061, 61464320), (1240, 52591648), (1280, 50948159), (1549, 42100480), (1984, 32869780), (2122, 30732160), (2480, 26295824), (3098, 21050240), (3968, 16434890), (4244, 15366080), (4960, 13147912), (5305, 12292864), (6196, 10525120), (7745, 8420096), (7936, 8217445), (8488, 7683040), (9920, 6573956), (10610, 6146432), (12392, 5262560), (15490, 4210048), (16976, 3841520), (19840, 3286978), (21220, 3073216), (24784, 2631280), (30980, 2105024), (32891, 1982720), (33952, 1920760), (39680, 1643489), (42440, 1536608), (48019, 1358080), (49568, 1315640), (61960, 1052512), (65782, 991360), (67904, 960380), (84880, 768304), (96038, 679040), (99136, 657820), (123920, 526256), (131564, 495680), (135808, 480190), (164455, 396544), (169760, 384152), (192076, 339520), (198272, 328910), (240095, 271616), (247840, 263128)]