128741872

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 303552000

約数和(自身を除く): 174810128

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 101, 112, 133, 152, 202, 266, 304, 404, 532, 599, 707, 808, 1064, 1198, 1414, 1616, 1919, 2128, 2396, 2828, 3838, 4193, 4792, 5656, 7676, 8386, 9584, 11312, 11381, 13433, 15352, 16772, 22762, 26866, 30704, 33544, 45524, 53732, 60499, 67088, 79667, 91048, 107464, 120998, 159334, 182096, 214928, 241996, 318668, 423493, 483992, 637336, 846986, 967984, 1149481, 1274672, 1693972, 2298962, 3387944, 4597924, 6775888, 8046367, 9195848, 16092734, 18391696, 32185468, 64370936, 128741872]

約数ペア:

[(1, 128741872), (2, 64370936), (4, 32185468), (7, 18391696), (8, 16092734), (14, 9195848), (16, 8046367), (19, 6775888), (28, 4597924), (38, 3387944), (56, 2298962), (76, 1693972), (101, 1274672), (112, 1149481), (133, 967984), (152, 846986), (202, 637336), (266, 483992), (304, 423493), (404, 318668), (532, 241996), (599, 214928), (707, 182096), (808, 159334), (1064, 120998), (1198, 107464), (1414, 91048), (1616, 79667), (1919, 67088), (2128, 60499), (2396, 53732), (2828, 45524), (3838, 33544), (4193, 30704), (4792, 26866), (5656, 22762), (7676, 16772), (8386, 15352), (9584, 13433), (11312, 11381)]