66235520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 179928000

約数和(自身を除く): 113692480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 419, 494, 520, 608, 640, 760, 832, 838, 988, 1040, 1216, 1235, 1520, 1664, 1676, 1976, 2080, 2095, 2432, 2470, 3040, 3352, 3952, 4160, 4190, 4940, 5447, 6080, 6704, 7904, 7961, 8320, 8380, 9880, 10894, 12160, 13408, 15808, 15922, 16760, 19760, 21788, 26816, 27235, 31616, 31844, 33520, 39520, 39805, 43576, 53632, 54470, 63688, 67040, 79040, 79610, 87152, 103493, 108940, 127376, 134080, 158080, 159220, 174304, 206986, 217880, 254752, 268160, 318440, 348608, 413972, 435760, 509504, 517465, 636880, 697216, 827944, 871520, 1019008, 1034930, 1273760, 1655888, 1743040, 2069860, 2547520, 3311776, 3486080, 4139720, 5095040, 6623552, 8279440, 13247104, 16558880, 33117760, 66235520]

約数ペア:

[(1, 66235520), (2, 33117760), (4, 16558880), (5, 13247104), (8, 8279440), (10, 6623552), (13, 5095040), (16, 4139720), (19, 3486080), (20, 3311776), (26, 2547520), (32, 2069860), (38, 1743040), (40, 1655888), (52, 1273760), (64, 1034930), (65, 1019008), (76, 871520), (80, 827944), (95, 697216), (104, 636880), (128, 517465), (130, 509504), (152, 435760), (160, 413972), (190, 348608), (208, 318440), (247, 268160), (260, 254752), (304, 217880), (320, 206986), (380, 174304), (416, 159220), (419, 158080), (494, 134080), (520, 127376), (608, 108940), (640, 103493), (760, 87152), (832, 79610), (838, 79040), (988, 67040), (1040, 63688), (1216, 54470), (1235, 53632), (1520, 43576), (1664, 39805), (1676, 39520), (1976, 33520), (2080, 31844), (2095, 31616), (2432, 27235), (2470, 26816), (3040, 21788), (3352, 19760), (3952, 16760), (4160, 15922), (4190, 15808), (4940, 13408), (5447, 12160), (6080, 10894), (6704, 9880), (7904, 8380), (7961, 8320)]