1656803680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:478

約数の個数: 288

約数和(自身を含む): 4989019392

約数和(自身を除く): 3332215712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 49, 56, 62, 68, 70, 80, 85, 98, 112, 119, 124, 136, 140, 155, 160, 170, 196, 217, 224, 238, 245, 248, 272, 280, 310, 340, 392, 401, 434, 476, 490, 496, 527, 544, 560, 595, 620, 680, 784, 802, 833, 868, 952, 980, 992, 1054, 1085, 1120, 1190, 1240, 1360, 1519, 1568, 1604, 1666, 1736, 1904, 1960, 2005, 2108, 2170, 2380, 2480, 2635, 2720, 2807, 3038, 3208, 3332, 3472, 3689, 3808, 3920, 4010, 4165, 4216, 4340, 4760, 4960, 5270, 5614, 6076, 6416, 6664, 6817, 6944, 7378, 7595, 7840, 8020, 8330, 8432, 8680, 9520, 10540, 11228, 12152, 12431, 12832, 13328, 13634, 14035, 14756, 15190, 16040, 16660, 16864, 17360, 18445, 19040, 19649, 21080, 22456, 24304, 24862, 25823, 26656, 27268, 28070, 29512, 30380, 32080, 33320, 34085, 34720, 36890, 39298, 42160, 44912, 47719, 48608, 49724, 51646, 54536, 56140, 59024, 60760, 62155, 64160, 66640, 68170, 73780, 78596, 84320, 87017, 89824, 95438, 98245, 99448, 103292, 109072, 112280, 118048, 121520, 124310, 129115, 133280, 136340, 147560, 157192, 174034, 190876, 196490, 198896, 206584, 211327, 218144, 224560, 238595, 243040, 248620, 258230, 272680, 295120, 314384, 334033, 348068, 381752, 392980, 397792, 413168, 422654, 435085, 449120, 477190, 497240, 516460, 545360, 590240, 609119, 628768, 668066, 696136, 763504, 785960, 826336, 845308, 870170, 954380, 994480, 1032920, 1056635, 1090720, 1218238, 1336132, 1392272, 1479289, 1527008, 1571920, 1670165, 1690616, 1740340, 1908760, 1988960, 2065840, 2113270, 2436476, 2672264, 2784544, 2958578, 3045595, 3143840, 3340330, 3381232, 3480680, 3817520, 4131680, 4226540, 4872952, 5344528, 5917156, 6091190, 6680660, 6762464, 6961360, 7396445, 7635040, 8453080, 9745904, 10355023, 10689056, 11834312, 12182380, 13361320, 13922720, 14792890, 16906160, 19491808, 20710046, 23668624, 24364760, 26722640, 29585780, 33812320, 41420092, 47337248, 48729520, 51775115, 53445280, 59171560, 82840184, 97459040, 103550230, 118343120, 165680368, 207100460, 236686240, 331360736, 414200920, 828401840, 1656803680]

約数ペア:

[(1, 1656803680), (2, 828401840), (4, 414200920), (5, 331360736), (7, 236686240), (8, 207100460), (10, 165680368), (14, 118343120), (16, 103550230), (17, 97459040), (20, 82840184), (28, 59171560), (31, 53445280), (32, 51775115), (34, 48729520), (35, 47337248), (40, 41420092), (49, 33812320), (56, 29585780), (62, 26722640), (68, 24364760), (70, 23668624), (80, 20710046), (85, 19491808), (98, 16906160), (112, 14792890), (119, 13922720), (124, 13361320), (136, 12182380), (140, 11834312), (155, 10689056), (160, 10355023), (170, 9745904), (196, 8453080), (217, 7635040), (224, 7396445), (238, 6961360), (245, 6762464), (248, 6680660), (272, 6091190), (280, 5917156), (310, 5344528), (340, 4872952), (392, 4226540), (401, 4131680), (434, 3817520), (476, 3480680), (490, 3381232), (496, 3340330), (527, 3143840), (544, 3045595), (560, 2958578), (595, 2784544), (620, 2672264), (680, 2436476), (784, 2113270), (802, 2065840), (833, 1988960), (868, 1908760), (952, 1740340), (980, 1690616), (992, 1670165), (1054, 1571920), (1085, 1527008), (1120, 1479289), (1190, 1392272), (1240, 1336132), (1360, 1218238), (1519, 1090720), (1568, 1056635), (1604, 1032920), (1666, 994480), (1736, 954380), (1904, 870170), (1960, 845308), (2005, 826336), (2108, 785960), (2170, 763504), (2380, 696136), (2480, 668066), (2635, 628768), (2720, 609119), (2807, 590240), (3038, 545360), (3208, 516460), (3332, 497240), (3472, 477190), (3689, 449120), (3808, 435085), (3920, 422654), (4010, 413168), (4165, 397792), (4216, 392980), (4340, 381752), (4760, 348068), (4960, 334033), (5270, 314384), (5614, 295120), (6076, 272680), (6416, 258230), (6664, 248620), (6817, 243040), (6944, 238595), (7378, 224560), (7595, 218144), (7840, 211327), (8020, 206584), (8330, 198896), (8432, 196490), (8680, 190876), (9520, 174034), (10540, 157192), (11228, 147560), (12152, 136340), (12431, 133280), (12832, 129115), (13328, 124310), (13634, 121520), (14035, 118048), (14756, 112280), (15190, 109072), (16040, 103292), (16660, 99448), (16864, 98245), (17360, 95438), (18445, 89824), (19040, 87017), (19649, 84320), (21080, 78596), (22456, 73780), (24304, 68170), (24862, 66640), (25823, 64160), (26656, 62155), (27268, 60760), (28070, 59024), (29512, 56140), (30380, 54536), (32080, 51646), (33320, 49724), (34085, 48608), (34720, 47719), (36890, 44912), (39298, 42160)]