640537560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 384

約数和(自身を含む): 2427122880

約数和(自身を除く): 1786585320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 83, 85, 90, 97, 102, 104, 117, 120, 130, 136, 153, 156, 166, 170, 180, 194, 195, 204, 221, 234, 249, 255, 260, 291, 306, 312, 332, 340, 360, 388, 390, 408, 415, 442, 468, 485, 498, 510, 520, 582, 585, 612, 663, 664, 680, 747, 765, 776, 780, 830, 873, 884, 936, 970, 996, 1020, 1079, 1105, 1164, 1170, 1224, 1245, 1261, 1326, 1411, 1455, 1494, 1530, 1560, 1649, 1660, 1746, 1768, 1940, 1989, 1992, 2040, 2158, 2210, 2328, 2340, 2490, 2522, 2652, 2822, 2910, 2988, 3060, 3237, 3298, 3315, 3320, 3492, 3735, 3783, 3880, 3978, 4233, 4316, 4365, 4420, 4680, 4947, 4980, 5044, 5304, 5395, 5644, 5820, 5976, 6120, 6305, 6474, 6596, 6630, 6984, 7055, 7470, 7566, 7956, 8051, 8245, 8466, 8632, 8730, 8840, 9711, 9894, 9945, 9960, 10088, 10790, 11288, 11349, 11640, 12610, 12699, 12948, 13192, 13260, 14110, 14841, 14940, 15132, 15912, 16102, 16185, 16490, 16932, 17460, 18343, 18915, 19422, 19788, 19890, 21165, 21437, 21580, 22698, 24153, 24735, 25220, 25398, 25896, 26520, 28220, 29682, 29880, 30264, 32204, 32370, 32980, 33864, 34920, 36686, 37830, 38844, 39576, 39780, 40255, 42330, 42874, 43160, 45396, 48306, 48555, 49470, 50440, 50796, 55029, 56440, 56745, 59364, 63495, 64311, 64408, 64740, 65960, 72459, 73372, 74205, 75660, 77688, 79560, 80510, 84660, 85748, 90792, 91715, 96612, 97110, 98940, 101592, 104663, 107185, 110058, 113490, 118728, 120765, 126990, 128622, 129480, 136867, 144918, 146744, 148410, 151320, 161020, 165087, 169320, 171496, 183430, 192933, 193224, 194220, 197880, 209326, 214370, 220116, 226980, 241530, 253980, 257244, 273734, 275145, 289836, 296820, 313989, 321555, 322040, 330174, 362295, 366860, 385866, 388440, 410601, 418652, 428740, 440232, 453960, 483060, 507960, 514488, 523315, 547468, 550290, 579672, 593640, 627978, 643110, 660348, 684335, 724590, 733720, 771732, 821202, 825435, 837304, 857480, 941967, 964665, 966120, 1046630, 1094936, 1100580, 1231803, 1255956, 1286220, 1320696, 1368670, 1449180, 1543464, 1569945, 1642404, 1650870, 1779271, 1883934, 1929330, 2053005, 2093260, 2201160, 2463606, 2511912, 2572440, 2737340, 2898360, 3139890, 3284808, 3301740, 3558542, 3767868, 3858660, 4106010, 4186520, 4709835, 4927212, 5337813, 5474680, 6159015, 6279780, 6603480, 7117084, 7535736, 7717320, 8212020, 8896355, 9419670, 9854424, 10675626, 12318030, 12559560, 14234168, 16013439, 16424040, 17792710, 18839340, 21351252, 24636060, 26689065, 32026878, 35585420, 37678680, 42702504, 49272120, 53378130, 64053756, 71170840, 80067195, 106756260, 128107512, 160134390, 213512520, 320268780, 640537560]

約数ペア:

[(1, 640537560), (2, 320268780), (3, 213512520), (4, 160134390), (5, 128107512), (6, 106756260), (8, 80067195), (9, 71170840), (10, 64053756), (12, 53378130), (13, 49272120), (15, 42702504), (17, 37678680), (18, 35585420), (20, 32026878), (24, 26689065), (26, 24636060), (30, 21351252), (34, 18839340), (36, 17792710), (39, 16424040), (40, 16013439), (45, 14234168), (51, 12559560), (52, 12318030), (60, 10675626), (65, 9854424), (68, 9419670), (72, 8896355), (78, 8212020), (83, 7717320), (85, 7535736), (90, 7117084), (97, 6603480), (102, 6279780), (104, 6159015), (117, 5474680), (120, 5337813), (130, 4927212), (136, 4709835), (153, 4186520), (156, 4106010), (166, 3858660), (170, 3767868), (180, 3558542), (194, 3301740), (195, 3284808), (204, 3139890), (221, 2898360), (234, 2737340), (249, 2572440), (255, 2511912), (260, 2463606), (291, 2201160), (306, 2093260), (312, 2053005), (332, 1929330), (340, 1883934), (360, 1779271), (388, 1650870), (390, 1642404), (408, 1569945), (415, 1543464), (442, 1449180), (468, 1368670), (485, 1320696), (498, 1286220), (510, 1255956), (520, 1231803), (582, 1100580), (585, 1094936), (612, 1046630), (663, 966120), (664, 964665), (680, 941967), (747, 857480), (765, 837304), (776, 825435), (780, 821202), (830, 771732), (873, 733720), (884, 724590), (936, 684335), (970, 660348), (996, 643110), (1020, 627978), (1079, 593640), (1105, 579672), (1164, 550290), (1170, 547468), (1224, 523315), (1245, 514488), (1261, 507960), (1326, 483060), (1411, 453960), (1455, 440232), (1494, 428740), (1530, 418652), (1560, 410601), (1649, 388440), (1660, 385866), (1746, 366860), (1768, 362295), (1940, 330174), (1989, 322040), (1992, 321555), (2040, 313989), (2158, 296820), (2210, 289836), (2328, 275145), (2340, 273734), (2490, 257244), (2522, 253980), (2652, 241530), (2822, 226980), (2910, 220116), (2988, 214370), (3060, 209326), (3237, 197880), (3298, 194220), (3315, 193224), (3320, 192933), (3492, 183430), (3735, 171496), (3783, 169320), (3880, 165087), (3978, 161020), (4233, 151320), (4316, 148410), (4365, 146744), (4420, 144918), (4680, 136867), (4947, 129480), (4980, 128622), (5044, 126990), (5304, 120765), (5395, 118728), (5644, 113490), (5820, 110058), (5976, 107185), (6120, 104663), (6305, 101592), (6474, 98940), (6596, 97110), (6630, 96612), (6984, 91715), (7055, 90792), (7470, 85748), (7566, 84660), (7956, 80510), (8051, 79560), (8245, 77688), (8466, 75660), (8632, 74205), (8730, 73372), (8840, 72459), (9711, 65960), (9894, 64740), (9945, 64408), (9960, 64311), (10088, 63495), (10790, 59364), (11288, 56745), (11349, 56440), (11640, 55029), (12610, 50796), (12699, 50440), (12948, 49470), (13192, 48555), (13260, 48306), (14110, 45396), (14841, 43160), (14940, 42874), (15132, 42330), (15912, 40255), (16102, 39780), (16185, 39576), (16490, 38844), (16932, 37830), (17460, 36686), (18343, 34920), (18915, 33864), (19422, 32980), (19788, 32370), (19890, 32204), (21165, 30264), (21437, 29880), (21580, 29682), (22698, 28220), (24153, 26520), (24735, 25896), (25220, 25398)]