20518313760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{3907}}^1$

素因数の和:4456

約数の個数: 288

約数和(自身を含む): 80195536512

約数和(自身を除く): 59677222752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 521, 560, 630, 672, 720, 840, 1008, 1042, 1120, 1260, 1440, 1563, 1680, 2016, 2084, 2520, 2605, 3126, 3360, 3647, 3907, 4168, 4689, 5040, 5210, 6252, 7294, 7814, 7815, 8336, 9378, 10080, 10420, 10941, 11721, 12504, 14588, 15628, 15630, 16672, 18235, 18756, 19535, 20840, 21882, 23442, 23445, 25008, 27349, 29176, 31256, 31260, 32823, 35163, 36470, 37512, 39070, 41680, 43764, 46884, 46890, 50016, 54698, 54705, 58352, 58605, 62512, 62520, 65646, 70326, 72940, 75024, 78140, 82047, 83360, 87528, 93768, 93780, 109396, 109410, 116704, 117210, 125024, 125040, 131292, 136745, 140652, 145880, 150048, 156280, 164094, 164115, 175056, 175815, 187536, 187560, 218792, 218820, 234420, 246141, 250080, 262584, 273490, 281304, 291760, 312560, 328188, 328230, 350112, 351630, 375072, 375120, 410235, 437584, 437640, 468840, 492282, 525168, 546980, 562608, 583520, 625120, 656376, 656460, 703260, 750240, 820470, 875168, 875280, 937680, 984564, 1050336, 1093960, 1125216, 1230705, 1312752, 1312920, 1406520, 1640940, 1750560, 1875360, 1969128, 2035547, 2187920, 2461410, 2625504, 2625840, 2813040, 3281880, 3938256, 4071094, 4375840, 4922820, 5251680, 5626080, 6106641, 6563760, 7876512, 8142188, 9845640, 10177735, 12213282, 13127520, 14248829, 16284376, 18319923, 19691280, 20355470, 24426564, 28497658, 30533205, 32568752, 36639846, 39382560, 40710940, 42746487, 48853128, 56995316, 61066410, 65137504, 71244145, 73279692, 81421880, 85492974, 91599615, 97706256, 113990632, 122132820, 128239461, 142488290, 146559384, 162843760, 170985948, 183199230, 195412512, 213732435, 227981264, 244265640, 256478922, 284976580, 293118768, 325687520, 341971896, 366398460, 427464870, 455962528, 488531280, 512957844, 569953160, 586237536, 641197305, 683943792, 732796920, 854929740, 977062560, 1025915688, 1139906320, 1282394610, 1367887584, 1465593840, 1709859480, 2051831376, 2279812640, 2564789220, 2931187680, 3419718960, 4103662752, 5129578440, 6839437920, 10259156880, 20518313760]

約数ペア:

[(1, 20518313760), (2, 10259156880), (3, 6839437920), (4, 5129578440), (5, 4103662752), (6, 3419718960), (7, 2931187680), (8, 2564789220), (9, 2279812640), (10, 2051831376), (12, 1709859480), (14, 1465593840), (15, 1367887584), (16, 1282394610), (18, 1139906320), (20, 1025915688), (21, 977062560), (24, 854929740), (28, 732796920), (30, 683943792), (32, 641197305), (35, 586237536), (36, 569953160), (40, 512957844), (42, 488531280), (45, 455962528), (48, 427464870), (56, 366398460), (60, 341971896), (63, 325687520), (70, 293118768), (72, 284976580), (80, 256478922), (84, 244265640), (90, 227981264), (96, 213732435), (105, 195412512), (112, 183199230), (120, 170985948), (126, 162843760), (140, 146559384), (144, 142488290), (160, 128239461), (168, 122132820), (180, 113990632), (210, 97706256), (224, 91599615), (240, 85492974), (252, 81421880), (280, 73279692), (288, 71244145), (315, 65137504), (336, 61066410), (360, 56995316), (420, 48853128), (480, 42746487), (504, 40710940), (521, 39382560), (560, 36639846), (630, 32568752), (672, 30533205), (720, 28497658), (840, 24426564), (1008, 20355470), (1042, 19691280), (1120, 18319923), (1260, 16284376), (1440, 14248829), (1563, 13127520), (1680, 12213282), (2016, 10177735), (2084, 9845640), (2520, 8142188), (2605, 7876512), (3126, 6563760), (3360, 6106641), (3647, 5626080), (3907, 5251680), (4168, 4922820), (4689, 4375840), (5040, 4071094), (5210, 3938256), (6252, 3281880), (7294, 2813040), (7814, 2625840), (7815, 2625504), (8336, 2461410), (9378, 2187920), (10080, 2035547), (10420, 1969128), (10941, 1875360), (11721, 1750560), (12504, 1640940), (14588, 1406520), (15628, 1312920), (15630, 1312752), (16672, 1230705), (18235, 1125216), (18756, 1093960), (19535, 1050336), (20840, 984564), (21882, 937680), (23442, 875280), (23445, 875168), (25008, 820470), (27349, 750240), (29176, 703260), (31256, 656460), (31260, 656376), (32823, 625120), (35163, 583520), (36470, 562608), (37512, 546980), (39070, 525168), (41680, 492282), (43764, 468840), (46884, 437640), (46890, 437584), (50016, 410235), (54698, 375120), (54705, 375072), (58352, 351630), (58605, 350112), (62512, 328230), (62520, 328188), (65646, 312560), (70326, 291760), (72940, 281304), (75024, 273490), (78140, 262584), (82047, 250080), (83360, 246141), (87528, 234420), (93768, 218820), (93780, 218792), (109396, 187560), (109410, 187536), (116704, 175815), (117210, 175056), (125024, 164115), (125040, 164094), (131292, 156280), (136745, 150048), (140652, 145880)]