678347532

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 1881079200

約数和(自身を除く): 1202731668

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 149, 153, 172, 173, 204, 258, 298, 306, 346, 387, 447, 516, 519, 596, 612, 692, 731, 774, 894, 1038, 1341, 1462, 1548, 1557, 1788, 2076, 2193, 2533, 2682, 2924, 2941, 3114, 4386, 5066, 5364, 5882, 6228, 6407, 6579, 7439, 7599, 8772, 8823, 10132, 11764, 12814, 13158, 14878, 15198, 17646, 19221, 22317, 22797, 25628, 25777, 26316, 26469, 29756, 30396, 35292, 38442, 44634, 45594, 51554, 52938, 57663, 66951, 76884, 77331, 89268, 91188, 103108, 105876, 108919, 115326, 126463, 133902, 154662, 217838, 230652, 231993, 252926, 267804, 309324, 326757, 379389, 435676, 438209, 463986, 505852, 653514, 758778, 876418, 927972, 980271, 1108411, 1138167, 1307028, 1314627, 1517556, 1752836, 1960542, 2216822, 2276334, 2629254, 3325233, 3921084, 3943881, 4433644, 4552668, 5258508, 6650466, 7887762, 9975699, 13300932, 15775524, 18842987, 19951398, 37685974, 39902796, 56528961, 75371948, 113057922, 169586883, 226115844, 339173766, 678347532]

約数ペア:

[(1, 678347532), (2, 339173766), (3, 226115844), (4, 169586883), (6, 113057922), (9, 75371948), (12, 56528961), (17, 39902796), (18, 37685974), (34, 19951398), (36, 18842987), (43, 15775524), (51, 13300932), (68, 9975699), (86, 7887762), (102, 6650466), (129, 5258508), (149, 4552668), (153, 4433644), (172, 3943881), (173, 3921084), (204, 3325233), (258, 2629254), (298, 2276334), (306, 2216822), (346, 1960542), (387, 1752836), (447, 1517556), (516, 1314627), (519, 1307028), (596, 1138167), (612, 1108411), (692, 980271), (731, 927972), (774, 876418), (894, 758778), (1038, 653514), (1341, 505852), (1462, 463986), (1548, 438209), (1557, 435676), (1788, 379389), (2076, 326757), (2193, 309324), (2533, 267804), (2682, 252926), (2924, 231993), (2941, 230652), (3114, 217838), (4386, 154662), (5066, 133902), (5364, 126463), (5882, 115326), (6228, 108919), (6407, 105876), (6579, 103108), (7439, 91188), (7599, 89268), (8772, 77331), (8823, 76884), (10132, 66951), (11764, 57663), (12814, 52938), (13158, 51554), (14878, 45594), (15198, 44634), (17646, 38442), (19221, 35292), (22317, 30396), (22797, 29756), (25628, 26469), (25777, 26316)]