20123975760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4729}}^1$

素因数の和:4918

約数の個数: 320

約数和(自身を含む): 76012992000

約数和(自身を除く): 55889016240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 149, 168, 170, 204, 210, 238, 240, 255, 272, 280, 298, 336, 340, 357, 408, 420, 447, 476, 510, 560, 595, 596, 680, 714, 745, 816, 840, 894, 952, 1020, 1043, 1190, 1192, 1360, 1428, 1490, 1680, 1785, 1788, 1904, 2040, 2086, 2235, 2380, 2384, 2533, 2856, 2980, 3129, 3570, 3576, 4080, 4172, 4470, 4729, 4760, 5066, 5215, 5712, 5960, 6258, 7140, 7152, 7599, 8344, 8940, 9458, 9520, 10132, 10430, 11920, 12516, 12665, 14187, 14280, 15198, 15645, 16688, 17731, 17880, 18916, 20264, 20860, 23645, 25032, 25330, 28374, 28560, 30396, 31290, 33103, 35462, 35760, 37832, 37995, 40528, 41720, 47290, 50064, 50660, 53193, 56748, 60792, 62580, 66206, 70924, 70935, 75664, 75990, 80393, 83440, 88655, 94580, 99309, 101320, 106386, 113496, 121584, 125160, 132412, 141848, 141870, 151980, 160786, 165515, 177310, 189160, 198618, 202640, 212772, 226992, 241179, 250320, 264824, 265965, 283696, 283740, 303960, 321572, 331030, 354620, 378320, 397236, 401965, 425544, 482358, 496545, 529648, 531930, 562751, 567480, 607920, 643144, 662060, 704621, 709240, 794472, 803930, 851088, 964716, 993090, 1063860, 1125502, 1134960, 1205895, 1286288, 1324120, 1409242, 1418480, 1588944, 1607860, 1688253, 1929432, 1986180, 2113863, 2127720, 2251004, 2411790, 2648240, 2813755, 2818484, 3215720, 3376506, 3523105, 3858864, 3972360, 4227726, 4255440, 4502008, 4823580, 4932347, 5627510, 5636968, 6431440, 6753012, 7046210, 7944720, 8441265, 8455452, 9004016, 9647160, 9864694, 10569315, 11255020, 11273936, 11978557, 13506024, 14092420, 14797041, 16882530, 16910904, 19294320, 19729388, 21138630, 22510040, 23957114, 24661735, 27012048, 28184840, 29594082, 33765060, 33821808, 35935671, 39458776, 42277260, 45020080, 47914228, 49323470, 56369680, 59188164, 59892785, 67530120, 71871342, 73985205, 78917552, 83849899, 84554520, 95828456, 98646940, 118376328, 119785570, 135060240, 143742684, 147970410, 167699798, 169109040, 179678355, 191656912, 197293880, 236752656, 239571140, 251549697, 287485368, 295940820, 335399596, 359356710, 394587760, 419249495, 479142280, 503099394, 574970736, 591881640, 670799192, 718713420, 838498990, 958284560, 1006198788, 1183763280, 1257748485, 1341598384, 1437426840, 1676997980, 2012397576, 2515496970, 2874853680, 3353995960, 4024795152, 5030993940, 6707991920, 10061987880, 20123975760]

約数ペア:

[(1, 20123975760), (2, 10061987880), (3, 6707991920), (4, 5030993940), (5, 4024795152), (6, 3353995960), (7, 2874853680), (8, 2515496970), (10, 2012397576), (12, 1676997980), (14, 1437426840), (15, 1341598384), (16, 1257748485), (17, 1183763280), (20, 1006198788), (21, 958284560), (24, 838498990), (28, 718713420), (30, 670799192), (34, 591881640), (35, 574970736), (40, 503099394), (42, 479142280), (48, 419249495), (51, 394587760), (56, 359356710), (60, 335399596), (68, 295940820), (70, 287485368), (80, 251549697), (84, 239571140), (85, 236752656), (102, 197293880), (105, 191656912), (112, 179678355), (119, 169109040), (120, 167699798), (136, 147970410), (140, 143742684), (149, 135060240), (168, 119785570), (170, 118376328), (204, 98646940), (210, 95828456), (238, 84554520), (240, 83849899), (255, 78917552), (272, 73985205), (280, 71871342), (298, 67530120), (336, 59892785), (340, 59188164), (357, 56369680), (408, 49323470), (420, 47914228), (447, 45020080), (476, 42277260), (510, 39458776), (560, 35935671), (595, 33821808), (596, 33765060), (680, 29594082), (714, 28184840), (745, 27012048), (816, 24661735), (840, 23957114), (894, 22510040), (952, 21138630), (1020, 19729388), (1043, 19294320), (1190, 16910904), (1192, 16882530), (1360, 14797041), (1428, 14092420), (1490, 13506024), (1680, 11978557), (1785, 11273936), (1788, 11255020), (1904, 10569315), (2040, 9864694), (2086, 9647160), (2235, 9004016), (2380, 8455452), (2384, 8441265), (2533, 7944720), (2856, 7046210), (2980, 6753012), (3129, 6431440), (3570, 5636968), (3576, 5627510), (4080, 4932347), (4172, 4823580), (4470, 4502008), (4729, 4255440), (4760, 4227726), (5066, 3972360), (5215, 3858864), (5712, 3523105), (5960, 3376506), (6258, 3215720), (7140, 2818484), (7152, 2813755), (7599, 2648240), (8344, 2411790), (8940, 2251004), (9458, 2127720), (9520, 2113863), (10132, 1986180), (10430, 1929432), (11920, 1688253), (12516, 1607860), (12665, 1588944), (14187, 1418480), (14280, 1409242), (15198, 1324120), (15645, 1286288), (16688, 1205895), (17731, 1134960), (17880, 1125502), (18916, 1063860), (20264, 993090), (20860, 964716), (23645, 851088), (25032, 803930), (25330, 794472), (28374, 709240), (28560, 704621), (30396, 662060), (31290, 643144), (33103, 607920), (35462, 567480), (35760, 562751), (37832, 531930), (37995, 529648), (40528, 496545), (41720, 482358), (47290, 425544), (50064, 401965), (50660, 397236), (53193, 378320), (56748, 354620), (60792, 331030), (62580, 321572), (66206, 303960), (70924, 283740), (70935, 283696), (75664, 265965), (75990, 264824), (80393, 250320), (83440, 241179), (88655, 226992), (94580, 212772), (99309, 202640), (101320, 198618), (106386, 189160), (113496, 177310), (121584, 165515), (125160, 160786), (132412, 151980), (141848, 141870)]