405704040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3803}}^1$

素因数の和:3951

約数の個数: 128

約数和(自身を含む): 1402306560

約数和(自身を除く): 996602520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 2540, 2667, 3048, 3556, 3803, 3810, 4445, 5080, 5334, 7112, 7606, 7620, 8890, 10668, 11409, 13335, 15212, 15240, 17780, 19015, 21336, 22818, 26621, 26670, 30424, 35560, 38030, 45636, 53242, 53340, 57045, 76060, 79863, 91272, 106484, 106680, 114090, 133105, 152120, 159726, 212968, 228180, 266210, 319452, 399315, 456360, 482981, 532420, 638904, 798630, 965962, 1064840, 1448943, 1597260, 1931924, 2414905, 2897886, 3194520, 3380867, 3863848, 4829810, 5795772, 6761734, 7244715, 9659620, 10142601, 11591544, 13523468, 14489430, 16904335, 19319240, 20285202, 27046936, 28978860, 33808670, 40570404, 50713005, 57957720, 67617340, 81140808, 101426010, 135234680, 202852020, 405704040]

約数ペア:

[(1, 405704040), (2, 202852020), (3, 135234680), (4, 101426010), (5, 81140808), (6, 67617340), (7, 57957720), (8, 50713005), (10, 40570404), (12, 33808670), (14, 28978860), (15, 27046936), (20, 20285202), (21, 19319240), (24, 16904335), (28, 14489430), (30, 13523468), (35, 11591544), (40, 10142601), (42, 9659620), (56, 7244715), (60, 6761734), (70, 5795772), (84, 4829810), (105, 3863848), (120, 3380867), (127, 3194520), (140, 2897886), (168, 2414905), (210, 1931924), (254, 1597260), (280, 1448943), (381, 1064840), (420, 965962), (508, 798630), (635, 638904), (762, 532420), (840, 482981), (889, 456360), (1016, 399315), (1270, 319452), (1524, 266210), (1778, 228180), (1905, 212968), (2540, 159726), (2667, 152120), (3048, 133105), (3556, 114090), (3803, 106680), (3810, 106484), (4445, 91272), (5080, 79863), (5334, 76060), (7112, 57045), (7606, 53340), (7620, 53242), (8890, 45636), (10668, 38030), (11409, 35560), (13335, 30424), (15212, 26670), (15240, 26621), (17780, 22818), (19015, 21336)]