640668684276

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1\times {\mathrm{673}}^1$

素因数の和:1607

約数の個数: 192

約数和(自身を含む): 1700805030400

約数和(自身を除く): 1060136346124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 229, 244, 366, 458, 549, 631, 673, 687, 732, 916, 1098, 1262, 1346, 1374, 1647, 1893, 2019, 2061, 2196, 2524, 2692, 2748, 3294, 3786, 4038, 4122, 5679, 6057, 6183, 6588, 7572, 8076, 8244, 11358, 12114, 12366, 13969, 17037, 18171, 22716, 24228, 24732, 27938, 34074, 36342, 38491, 41053, 41907, 55876, 68148, 72684, 76982, 82106, 83814, 115473, 123159, 125721, 144499, 153964, 154117, 164212, 167628, 230946, 246318, 251442, 288998, 308234, 346419, 369477, 377163, 424663, 433497, 461892, 462351, 492636, 502884, 577996, 616468, 692838, 738954, 754326, 849326, 866994, 924702, 1039257, 1108431, 1273989, 1300491, 1385676, 1387053, 1477908, 1508652, 1698652, 1733988, 1849404, 2078514, 2216862, 2547978, 2600982, 2774106, 3821967, 3901473, 4157028, 4161159, 4433724, 5095956, 5201964, 5548212, 7643934, 7802946, 8322318, 8814439, 9401137, 11465901, 15287868, 15605892, 16644636, 17628878, 18802274, 22931802, 25904443, 26443317, 28203411, 35257756, 37604548, 45863604, 51808886, 52886634, 56406822, 77713329, 79329951, 84610233, 97247827, 103617772, 105773268, 112813644, 155426658, 158659902, 169220466, 194495654, 233139987, 237989853, 253830699, 291743481, 310853316, 317319804, 338440932, 388991308, 466279974, 475979706, 507661398, 583486962, 699419961, 875230443, 932559948, 951959412, 1015322796, 1166973924, 1398839922, 1750460886, 2625691329, 2797679844, 3500921772, 5251382658, 5932117447, 10502765316, 11864234894, 17796352341, 23728469788, 35592704682, 53389057023, 71185409364, 106778114046, 160167171069, 213556228092, 320334342138, 640668684276]

約数ペア:

[(1, 640668684276), (2, 320334342138), (3, 213556228092), (4, 160167171069), (6, 106778114046), (9, 71185409364), (12, 53389057023), (18, 35592704682), (27, 23728469788), (36, 17796352341), (54, 11864234894), (61, 10502765316), (108, 5932117447), (122, 5251382658), (183, 3500921772), (229, 2797679844), (244, 2625691329), (366, 1750460886), (458, 1398839922), (549, 1166973924), (631, 1015322796), (673, 951959412), (687, 932559948), (732, 875230443), (916, 699419961), (1098, 583486962), (1262, 507661398), (1346, 475979706), (1374, 466279974), (1647, 388991308), (1893, 338440932), (2019, 317319804), (2061, 310853316), (2196, 291743481), (2524, 253830699), (2692, 237989853), (2748, 233139987), (3294, 194495654), (3786, 169220466), (4038, 158659902), (4122, 155426658), (5679, 112813644), (6057, 105773268), (6183, 103617772), (6588, 97247827), (7572, 84610233), (8076, 79329951), (8244, 77713329), (11358, 56406822), (12114, 52886634), (12366, 51808886), (13969, 45863604), (17037, 37604548), (18171, 35257756), (22716, 28203411), (24228, 26443317), (24732, 25904443), (27938, 22931802), (34074, 18802274), (36342, 17628878), (38491, 16644636), (41053, 15605892), (41907, 15287868), (55876, 11465901), (68148, 9401137), (72684, 8814439), (76982, 8322318), (82106, 7802946), (83814, 7643934), (115473, 5548212), (123159, 5201964), (125721, 5095956), (144499, 4433724), (153964, 4161159), (154117, 4157028), (164212, 3901473), (167628, 3821967), (230946, 2774106), (246318, 2600982), (251442, 2547978), (288998, 2216862), (308234, 2078514), (346419, 1849404), (369477, 1733988), (377163, 1698652), (424663, 1508652), (433497, 1477908), (461892, 1387053), (462351, 1385676), (492636, 1300491), (502884, 1273989), (577996, 1108431), (616468, 1039257), (692838, 924702), (738954, 866994), (754326, 849326)]