81664800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{4861}}^1$

素因数の和:4891

約数の個数: 144

約数和(自身を含む): 303855552

約数和(自身を除く): 222190752

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, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 4861, 5600, 8400, 9722, 14583, 16800, 19444, 24305, 29166, 34027, 38888, 48610, 58332, 68054, 72915, 77776, 97220, 102081, 116664, 121525, 136108, 145830, 155552, 170135, 194440, 204162, 233328, 243050, 272216, 291660, 340270, 364575, 388880, 408324, 466656, 486100, 510405, 544432, 583320, 680540, 729150, 777760, 816648, 850675, 972200, 1020810, 1088864, 1166640, 1361080, 1458300, 1633296, 1701350, 1944400, 2041620, 2333280, 2552025, 2722160, 2916600, 3266592, 3402700, 3888800, 4083240, 5104050, 5444320, 5833200, 6805400, 8166480, 10208100, 11666400, 13610800, 16332960, 20416200, 27221600, 40832400, 81664800]

約数ペア:

[(1, 81664800), (2, 40832400), (3, 27221600), (4, 20416200), (5, 16332960), (6, 13610800), (7, 11666400), (8, 10208100), (10, 8166480), (12, 6805400), (14, 5833200), (15, 5444320), (16, 5104050), (20, 4083240), (21, 3888800), (24, 3402700), (25, 3266592), (28, 2916600), (30, 2722160), (32, 2552025), (35, 2333280), (40, 2041620), (42, 1944400), (48, 1701350), (50, 1633296), (56, 1458300), (60, 1361080), (70, 1166640), (75, 1088864), (80, 1020810), (84, 972200), (96, 850675), (100, 816648), (105, 777760), (112, 729150), (120, 680540), (140, 583320), (150, 544432), (160, 510405), (168, 486100), (175, 466656), (200, 408324), (210, 388880), (224, 364575), (240, 340270), (280, 291660), (300, 272216), (336, 243050), (350, 233328), (400, 204162), (420, 194440), (480, 170135), (525, 155552), (560, 145830), (600, 136108), (672, 121525), (700, 116664), (800, 102081), (840, 97220), (1050, 77776), (1120, 72915), (1200, 68054), (1400, 58332), (1680, 48610), (2100, 38888), (2400, 34027), (2800, 29166), (3360, 24305), (4200, 19444), (4861, 16800), (5600, 14583), (8400, 9722)]