21703781680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4861}}^1$

素因数の和:4972

約数の個数: 240

約数和(自身を含む): 63093434976

約数和(自身を除く): 41389653296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 67, 68, 70, 80, 85, 98, 112, 119, 134, 136, 140, 170, 196, 238, 245, 268, 272, 280, 335, 340, 392, 469, 476, 490, 536, 560, 595, 670, 680, 784, 833, 938, 952, 980, 1072, 1139, 1190, 1340, 1360, 1666, 1876, 1904, 1960, 2278, 2345, 2380, 2680, 3283, 3332, 3752, 3920, 4165, 4556, 4690, 4760, 4861, 5360, 5695, 6566, 6664, 7504, 7973, 8330, 9112, 9380, 9520, 9722, 11390, 13132, 13328, 15946, 16415, 16660, 18224, 18760, 19444, 22780, 24305, 26264, 31892, 32830, 33320, 34027, 37520, 38888, 39865, 45560, 48610, 52528, 55811, 63784, 65660, 66640, 68054, 77776, 79730, 82637, 91120, 97220, 111622, 127568, 131320, 136108, 159460, 165274, 170135, 194440, 223244, 238189, 262640, 272216, 279055, 318920, 325687, 330548, 340270, 388880, 413185, 446488, 476378, 544432, 558110, 578459, 637840, 651374, 661096, 680540, 826370, 892976, 952756, 1116220, 1156918, 1190945, 1302748, 1322192, 1361080, 1628435, 1652740, 1905512, 2232440, 2279809, 2313836, 2381890, 2605496, 2722160, 2892295, 3256870, 3305480, 3811024, 4049213, 4464880, 4559618, 4627672, 4763780, 5210992, 5536679, 5784590, 6513740, 6610960, 8098426, 9119236, 9255344, 9527560, 11073358, 11399045, 11569180, 13027480, 15958663, 16196852, 18238472, 19055120, 20246065, 22146716, 22798090, 23138360, 26054960, 27683395, 31917326, 32393704, 36476944, 38756753, 40492130, 44293432, 45596180, 46276720, 55366790, 63834652, 64787408, 77513506, 79793315, 80984260, 88586864, 91192360, 110733580, 127669304, 155027012, 159586630, 161968520, 182384720, 193783765, 221467160, 255338608, 271297271, 310054024, 319173260, 323937040, 387567530, 442934320, 542594542, 620108048, 638346520, 775135060, 1085189084, 1276693040, 1356486355, 1550270120, 2170378168, 2712972710, 3100540240, 4340756336, 5425945420, 10851890840, 21703781680]

約数ペア:

[(1, 21703781680), (2, 10851890840), (4, 5425945420), (5, 4340756336), (7, 3100540240), (8, 2712972710), (10, 2170378168), (14, 1550270120), (16, 1356486355), (17, 1276693040), (20, 1085189084), (28, 775135060), (34, 638346520), (35, 620108048), (40, 542594542), (49, 442934320), (56, 387567530), (67, 323937040), (68, 319173260), (70, 310054024), (80, 271297271), (85, 255338608), (98, 221467160), (112, 193783765), (119, 182384720), (134, 161968520), (136, 159586630), (140, 155027012), (170, 127669304), (196, 110733580), (238, 91192360), (245, 88586864), (268, 80984260), (272, 79793315), (280, 77513506), (335, 64787408), (340, 63834652), (392, 55366790), (469, 46276720), (476, 45596180), (490, 44293432), (536, 40492130), (560, 38756753), (595, 36476944), (670, 32393704), (680, 31917326), (784, 27683395), (833, 26054960), (938, 23138360), (952, 22798090), (980, 22146716), (1072, 20246065), (1139, 19055120), (1190, 18238472), (1340, 16196852), (1360, 15958663), (1666, 13027480), (1876, 11569180), (1904, 11399045), (1960, 11073358), (2278, 9527560), (2345, 9255344), (2380, 9119236), (2680, 8098426), (3283, 6610960), (3332, 6513740), (3752, 5784590), (3920, 5536679), (4165, 5210992), (4556, 4763780), (4690, 4627672), (4760, 4559618), (4861, 4464880), (5360, 4049213), (5695, 3811024), (6566, 3305480), (6664, 3256870), (7504, 2892295), (7973, 2722160), (8330, 2605496), (9112, 2381890), (9380, 2313836), (9520, 2279809), (9722, 2232440), (11390, 1905512), (13132, 1652740), (13328, 1628435), (15946, 1361080), (16415, 1322192), (16660, 1302748), (18224, 1190945), (18760, 1156918), (19444, 1116220), (22780, 952756), (24305, 892976), (26264, 826370), (31892, 680540), (32830, 661096), (33320, 651374), (34027, 637840), (37520, 578459), (38888, 558110), (39865, 544432), (45560, 476378), (48610, 446488), (52528, 413185), (55811, 388880), (63784, 340270), (65660, 330548), (66640, 325687), (68054, 318920), (77776, 279055), (79730, 272216), (82637, 262640), (91120, 238189), (97220, 223244), (111622, 194440), (127568, 170135), (131320, 165274), (136108, 159460)]