20778820160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4049}}^1$

素因数の和:4181

約数の個数: 224

約数和(自身を含む): 59253120000

約数和(自身を除く): 38474299840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 79, 80, 112, 116, 140, 145, 158, 160, 203, 224, 232, 280, 290, 316, 320, 395, 406, 448, 464, 553, 560, 580, 632, 790, 812, 928, 1015, 1106, 1120, 1160, 1264, 1580, 1624, 1856, 2030, 2212, 2240, 2291, 2320, 2528, 2765, 3160, 3248, 4049, 4060, 4424, 4582, 4640, 5056, 5530, 6320, 6496, 8098, 8120, 8848, 9164, 9280, 11060, 11455, 12640, 12992, 16037, 16196, 16240, 17696, 18328, 20245, 22120, 22910, 25280, 28343, 32074, 32392, 32480, 35392, 36656, 40490, 44240, 45820, 56686, 64148, 64784, 64960, 73312, 80185, 80980, 88480, 91640, 113372, 117421, 128296, 129568, 141715, 146624, 160370, 161960, 176960, 183280, 226744, 234842, 256592, 259136, 283430, 319871, 320740, 323920, 366560, 453488, 469684, 513184, 566860, 587105, 639742, 641480, 647840, 733120, 821947, 906976, 939368, 1026368, 1133720, 1174210, 1279484, 1282960, 1295680, 1599355, 1643894, 1813952, 1878736, 2239097, 2267440, 2348420, 2558968, 2565920, 3198710, 3287788, 3757472, 4109735, 4478194, 4534880, 4696840, 5117936, 5131840, 6397420, 6575576, 7514944, 8219470, 8956388, 9069760, 9276259, 9393680, 10235872, 11195485, 12794840, 13151152, 16438940, 17912776, 18552518, 18787360, 20471744, 22390970, 25589680, 26302304, 32877880, 35825552, 37105036, 37574720, 44781940, 46381295, 51179360, 52604608, 64933813, 65755760, 71651104, 74210072, 89563880, 92762590, 102358720, 129867626, 131511520, 143302208, 148420144, 179127760, 185525180, 259735252, 263023040, 296840288, 324669065, 358255520, 371050360, 519470504, 593680576, 649338130, 716511040, 742100720, 1038941008, 1298676260, 1484201440, 2077882016, 2597352520, 2968402880, 4155764032, 5194705040, 10389410080, 20778820160]

約数ペア:

[(1, 20778820160), (2, 10389410080), (4, 5194705040), (5, 4155764032), (7, 2968402880), (8, 2597352520), (10, 2077882016), (14, 1484201440), (16, 1298676260), (20, 1038941008), (28, 742100720), (29, 716511040), (32, 649338130), (35, 593680576), (40, 519470504), (56, 371050360), (58, 358255520), (64, 324669065), (70, 296840288), (79, 263023040), (80, 259735252), (112, 185525180), (116, 179127760), (140, 148420144), (145, 143302208), (158, 131511520), (160, 129867626), (203, 102358720), (224, 92762590), (232, 89563880), (280, 74210072), (290, 71651104), (316, 65755760), (320, 64933813), (395, 52604608), (406, 51179360), (448, 46381295), (464, 44781940), (553, 37574720), (560, 37105036), (580, 35825552), (632, 32877880), (790, 26302304), (812, 25589680), (928, 22390970), (1015, 20471744), (1106, 18787360), (1120, 18552518), (1160, 17912776), (1264, 16438940), (1580, 13151152), (1624, 12794840), (1856, 11195485), (2030, 10235872), (2212, 9393680), (2240, 9276259), (2291, 9069760), (2320, 8956388), (2528, 8219470), (2765, 7514944), (3160, 6575576), (3248, 6397420), (4049, 5131840), (4060, 5117936), (4424, 4696840), (4582, 4534880), (4640, 4478194), (5056, 4109735), (5530, 3757472), (6320, 3287788), (6496, 3198710), (8098, 2565920), (8120, 2558968), (8848, 2348420), (9164, 2267440), (9280, 2239097), (11060, 1878736), (11455, 1813952), (12640, 1643894), (12992, 1599355), (16037, 1295680), (16196, 1282960), (16240, 1279484), (17696, 1174210), (18328, 1133720), (20245, 1026368), (22120, 939368), (22910, 906976), (25280, 821947), (28343, 733120), (32074, 647840), (32392, 641480), (32480, 639742), (35392, 587105), (36656, 566860), (40490, 513184), (44240, 469684), (45820, 453488), (56686, 366560), (64148, 323920), (64784, 320740), (64960, 319871), (73312, 283430), (80185, 259136), (80980, 256592), (88480, 234842), (91640, 226744), (113372, 183280), (117421, 176960), (128296, 161960), (129568, 160370), (141715, 146624)]