261142128

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:927

約数の個数: 120

約数和(自身を含む): 792136800

約数和(自身を除く): 530994672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 199, 208, 234, 312, 398, 468, 597, 624, 701, 796, 936, 1194, 1402, 1592, 1791, 1872, 2103, 2388, 2587, 2804, 3184, 3582, 4206, 4776, 5174, 5608, 6309, 7164, 7761, 8412, 9113, 9552, 10348, 11216, 12618, 14328, 15522, 16824, 18226, 20696, 23283, 25236, 27339, 28656, 31044, 33648, 36452, 41392, 46566, 50472, 54678, 62088, 72904, 82017, 93132, 100944, 109356, 124176, 139499, 145808, 164034, 186264, 218712, 278998, 328068, 372528, 418497, 437424, 557996, 656136, 836994, 1115992, 1255491, 1312272, 1673988, 1813487, 2231984, 2510982, 3347976, 3626974, 5021964, 5440461, 6695952, 7253948, 10043928, 10880922, 14507896, 16321383, 20087856, 21761844, 29015792, 32642766, 43523688, 65285532, 87047376, 130571064, 261142128]

約数ペア:

[(1, 261142128), (2, 130571064), (3, 87047376), (4, 65285532), (6, 43523688), (8, 32642766), (9, 29015792), (12, 21761844), (13, 20087856), (16, 16321383), (18, 14507896), (24, 10880922), (26, 10043928), (36, 7253948), (39, 6695952), (48, 5440461), (52, 5021964), (72, 3626974), (78, 3347976), (104, 2510982), (117, 2231984), (144, 1813487), (156, 1673988), (199, 1312272), (208, 1255491), (234, 1115992), (312, 836994), (398, 656136), (468, 557996), (597, 437424), (624, 418497), (701, 372528), (796, 328068), (936, 278998), (1194, 218712), (1402, 186264), (1592, 164034), (1791, 145808), (1872, 139499), (2103, 124176), (2388, 109356), (2587, 100944), (2804, 93132), (3184, 82017), (3582, 72904), (4206, 62088), (4776, 54678), (5174, 50472), (5608, 46566), (6309, 41392), (7164, 36452), (7761, 33648), (8412, 31044), (9113, 28656), (9552, 27339), (10348, 25236), (11216, 23283), (12618, 20696), (14328, 18226), (15522, 16824)]