71967440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 178113600

約数和(自身を除く): 106146160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 113, 152, 190, 226, 304, 380, 419, 452, 565, 760, 838, 904, 1130, 1520, 1676, 1808, 2095, 2147, 2260, 3352, 4190, 4294, 4520, 6704, 7961, 8380, 8588, 9040, 10735, 15922, 16760, 17176, 21470, 31844, 33520, 34352, 39805, 42940, 47347, 63688, 79610, 85880, 94694, 127376, 159220, 171760, 189388, 236735, 318440, 378776, 473470, 636880, 757552, 899593, 946940, 1799186, 1893880, 3598372, 3787760, 4497965, 7196744, 8995930, 14393488, 17991860, 35983720, 71967440]

約数ペア:

[(1, 71967440), (2, 35983720), (4, 17991860), (5, 14393488), (8, 8995930), (10, 7196744), (16, 4497965), (19, 3787760), (20, 3598372), (38, 1893880), (40, 1799186), (76, 946940), (80, 899593), (95, 757552), (113, 636880), (152, 473470), (190, 378776), (226, 318440), (304, 236735), (380, 189388), (419, 171760), (452, 159220), (565, 127376), (760, 94694), (838, 85880), (904, 79610), (1130, 63688), (1520, 47347), (1676, 42940), (1808, 39805), (2095, 34352), (2147, 33520), (2260, 31844), (3352, 21470), (4190, 17176), (4294, 16760), (4520, 15922), (6704, 10735), (7961, 9040), (8380, 8588)]