80874640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 160

約数和(自身を含む): 247127040

約数和(自身を除く): 166252400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 280, 304, 308, 380, 385, 418, 440, 532, 560, 616, 665, 691, 760, 770, 836, 880, 1045, 1064, 1232, 1330, 1382, 1463, 1520, 1540, 1672, 2090, 2128, 2660, 2764, 2926, 3080, 3344, 3455, 4180, 4837, 5320, 5528, 5852, 6160, 6910, 7315, 7601, 8360, 9674, 10640, 11056, 11704, 13129, 13820, 14630, 15202, 16720, 19348, 23408, 24185, 26258, 27640, 29260, 30404, 38005, 38696, 48370, 52516, 53207, 55280, 58520, 60808, 65645, 76010, 77392, 91903, 96740, 105032, 106414, 117040, 121616, 131290, 144419, 152020, 183806, 193480, 210064, 212828, 262580, 266035, 288838, 304040, 367612, 386960, 425656, 459515, 525160, 532070, 577676, 608080, 722095, 735224, 851312, 919030, 1010933, 1050320, 1064140, 1155352, 1444190, 1470448, 1838060, 2021866, 2128280, 2310704, 2888380, 3676120, 4043732, 4256560, 5054665, 5776760, 7352240, 8087464, 10109330, 11553520, 16174928, 20218660, 40437320, 80874640]

約数ペア:

[(1, 80874640), (2, 40437320), (4, 20218660), (5, 16174928), (7, 11553520), (8, 10109330), (10, 8087464), (11, 7352240), (14, 5776760), (16, 5054665), (19, 4256560), (20, 4043732), (22, 3676120), (28, 2888380), (35, 2310704), (38, 2128280), (40, 2021866), (44, 1838060), (55, 1470448), (56, 1444190), (70, 1155352), (76, 1064140), (77, 1050320), (80, 1010933), (88, 919030), (95, 851312), (110, 735224), (112, 722095), (133, 608080), (140, 577676), (152, 532070), (154, 525160), (176, 459515), (190, 425656), (209, 386960), (220, 367612), (266, 304040), (280, 288838), (304, 266035), (308, 262580), (380, 212828), (385, 210064), (418, 193480), (440, 183806), (532, 152020), (560, 144419), (616, 131290), (665, 121616), (691, 117040), (760, 106414), (770, 105032), (836, 96740), (880, 91903), (1045, 77392), (1064, 76010), (1232, 65645), (1330, 60808), (1382, 58520), (1463, 55280), (1520, 53207), (1540, 52516), (1672, 48370), (2090, 38696), (2128, 38005), (2660, 30404), (2764, 29260), (2926, 27640), (3080, 26258), (3344, 24185), (3455, 23408), (4180, 19348), (4837, 16720), (5320, 15202), (5528, 14630), (5852, 13820), (6160, 13129), (6910, 11704), (7315, 11056), (7601, 10640), (8360, 9674)]