20147921280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205759}}^1$

素因数の和:205801

約数の個数: 192

約数和(自身を含む): 73666195200

約数和(自身を除く): 53518273920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 816, 960, 1020, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2448, 2720, 2880, 3060, 3264, 4080, 4896, 5440, 5760, 6120, 6528, 8160, 9792, 10880, 12240, 16320, 19584, 24480, 32640, 48960, 97920, 205759, 411518, 617277, 823036, 1028795, 1234554, 1646072, 1851831, 2057590, 2469108, 3086385, 3292144, 3497903, 3703662, 4115180, 4938216, 6172770, 6584288, 6995806, 7407324, 8230360, 9259155, 9876432, 10493709, 12345540, 13168576, 13991612, 14814648, 16460720, 17489515, 18518310, 19752864, 20987418, 24691080, 26337152, 27983224, 29629296, 31481127, 32921440, 34979030, 37036620, 39505728, 41974836, 49382160, 52468545, 55966448, 59258592, 62962254, 65842880, 69958060, 74073240, 79011456, 83949672, 98764320, 104937090, 111932896, 118517184, 125924508, 131685760, 139916120, 148146480, 157405635, 167899344, 197528640, 209874180, 223865792, 237034368, 251849016, 279832240, 296292960, 314811270, 335798688, 395057280, 419748360, 447731584, 503698032, 559664480, 592585920, 629622540, 671597376, 839496720, 1007396064, 1119328960, 1185171840, 1259245080, 1343194752, 1678993440, 2014792128, 2238657920, 2518490160, 3357986880, 4029584256, 5036980320, 6715973760, 10073960640, 20147921280]

約数ペア:

[(1, 20147921280), (2, 10073960640), (3, 6715973760), (4, 5036980320), (5, 4029584256), (6, 3357986880), (8, 2518490160), (9, 2238657920), (10, 2014792128), (12, 1678993440), (15, 1343194752), (16, 1259245080), (17, 1185171840), (18, 1119328960), (20, 1007396064), (24, 839496720), (30, 671597376), (32, 629622540), (34, 592585920), (36, 559664480), (40, 503698032), (45, 447731584), (48, 419748360), (51, 395057280), (60, 335798688), (64, 314811270), (68, 296292960), (72, 279832240), (80, 251849016), (85, 237034368), (90, 223865792), (96, 209874180), (102, 197528640), (120, 167899344), (128, 157405635), (136, 148146480), (144, 139916120), (153, 131685760), (160, 125924508), (170, 118517184), (180, 111932896), (192, 104937090), (204, 98764320), (240, 83949672), (255, 79011456), (272, 74073240), (288, 69958060), (306, 65842880), (320, 62962254), (340, 59258592), (360, 55966448), (384, 52468545), (408, 49382160), (480, 41974836), (510, 39505728), (544, 37036620), (576, 34979030), (612, 32921440), (640, 31481127), (680, 29629296), (720, 27983224), (765, 26337152), (816, 24691080), (960, 20987418), (1020, 19752864), (1088, 18518310), (1152, 17489515), (1224, 16460720), (1360, 14814648), (1440, 13991612), (1530, 13168576), (1632, 12345540), (1920, 10493709), (2040, 9876432), (2176, 9259155), (2448, 8230360), (2720, 7407324), (2880, 6995806), (3060, 6584288), (3264, 6172770), (4080, 4938216), (4896, 4115180), (5440, 3703662), (5760, 3497903), (6120, 3292144), (6528, 3086385), (8160, 2469108), (9792, 2057590), (10880, 1851831), (12240, 1646072), (16320, 1234554), (19584, 1028795), (24480, 823036), (32640, 617277), (48960, 411518), (97920, 205759)]