644951328

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:1015

約数の個数: 144

約数和(自身を含む): 1983610944

約数和(自身を除く): 1338659616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 167, 168, 196, 224, 294, 334, 336, 392, 501, 588, 668, 672, 784, 821, 1002, 1169, 1176, 1336, 1568, 1642, 2004, 2338, 2352, 2463, 2672, 3284, 3507, 4008, 4676, 4704, 4926, 5344, 5747, 6568, 7014, 8016, 8183, 9352, 9852, 11494, 13136, 14028, 16032, 16366, 17241, 18704, 19704, 22988, 24549, 26272, 28056, 32732, 34482, 37408, 39408, 40229, 45976, 49098, 56112, 65464, 68964, 78816, 80458, 91952, 98196, 112224, 120687, 130928, 137107, 137928, 160916, 183904, 196392, 241374, 261856, 274214, 275856, 321832, 392784, 411321, 482748, 548428, 551712, 643664, 785568, 822642, 959749, 965496, 1096856, 1287328, 1645284, 1919498, 1930992, 2193712, 2879247, 3290568, 3838996, 3861984, 4387424, 5758494, 6581136, 6718243, 7677992, 11516988, 13162272, 13436486, 15355984, 20154729, 23033976, 26872972, 30711968, 40309458, 46067952, 53745944, 80618916, 92135904, 107491888, 161237832, 214983776, 322475664, 644951328]

約数ペア:

[(1, 644951328), (2, 322475664), (3, 214983776), (4, 161237832), (6, 107491888), (7, 92135904), (8, 80618916), (12, 53745944), (14, 46067952), (16, 40309458), (21, 30711968), (24, 26872972), (28, 23033976), (32, 20154729), (42, 15355984), (48, 13436486), (49, 13162272), (56, 11516988), (84, 7677992), (96, 6718243), (98, 6581136), (112, 5758494), (147, 4387424), (167, 3861984), (168, 3838996), (196, 3290568), (224, 2879247), (294, 2193712), (334, 1930992), (336, 1919498), (392, 1645284), (501, 1287328), (588, 1096856), (668, 965496), (672, 959749), (784, 822642), (821, 785568), (1002, 643664), (1169, 551712), (1176, 548428), (1336, 482748), (1568, 411321), (1642, 392784), (2004, 321832), (2338, 275856), (2352, 274214), (2463, 261856), (2672, 241374), (3284, 196392), (3507, 183904), (4008, 160916), (4676, 137928), (4704, 137107), (4926, 130928), (5344, 120687), (5747, 112224), (6568, 98196), (7014, 91952), (8016, 80458), (8183, 78816), (9352, 68964), (9852, 65464), (11494, 56112), (13136, 49098), (14028, 45976), (16032, 40229), (16366, 39408), (17241, 37408), (18704, 34482), (19704, 32732), (22988, 28056), (24549, 26272)]