220973904

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 640054272

約数和(自身を除く): 419080368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 127, 129, 144, 172, 254, 258, 281, 344, 381, 387, 508, 516, 562, 688, 762, 774, 843, 1016, 1032, 1124, 1143, 1524, 1548, 1686, 2032, 2064, 2248, 2286, 2529, 3048, 3096, 3372, 4496, 4572, 5058, 5461, 6096, 6192, 6744, 9144, 10116, 10922, 12083, 13488, 16383, 18288, 20232, 21844, 24166, 32766, 35687, 36249, 40464, 43688, 48332, 49149, 65532, 71374, 72498, 87376, 96664, 98298, 107061, 108747, 131064, 142748, 144996, 193328, 196596, 214122, 217494, 262128, 285496, 289992, 321183, 393192, 428244, 434988, 570992, 579984, 642366, 786384, 856488, 869976, 1284732, 1534541, 1712976, 1739952, 2569464, 3069082, 4603623, 5138928, 6138164, 9207246, 12276328, 13810869, 18414492, 24552656, 27621738, 36828984, 55243476, 73657968, 110486952, 220973904]

約数ペア:

[(1, 220973904), (2, 110486952), (3, 73657968), (4, 55243476), (6, 36828984), (8, 27621738), (9, 24552656), (12, 18414492), (16, 13810869), (18, 12276328), (24, 9207246), (36, 6138164), (43, 5138928), (48, 4603623), (72, 3069082), (86, 2569464), (127, 1739952), (129, 1712976), (144, 1534541), (172, 1284732), (254, 869976), (258, 856488), (281, 786384), (344, 642366), (381, 579984), (387, 570992), (508, 434988), (516, 428244), (562, 393192), (688, 321183), (762, 289992), (774, 285496), (843, 262128), (1016, 217494), (1032, 214122), (1124, 196596), (1143, 193328), (1524, 144996), (1548, 142748), (1686, 131064), (2032, 108747), (2064, 107061), (2248, 98298), (2286, 96664), (2529, 87376), (3048, 72498), (3096, 71374), (3372, 65532), (4496, 49149), (4572, 48332), (5058, 43688), (5461, 40464), (6096, 36249), (6192, 35687), (6744, 32766), (9144, 24166), (10116, 21844), (10922, 20232), (12083, 18288), (13488, 16383)]