28663360

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:524

約数の個数: 112

約数和(自身を含む): 79004160

約数和(自身を除く): 50340800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 479, 544, 680, 704, 748, 880, 935, 958, 1088, 1360, 1496, 1760, 1870, 1916, 2395, 2720, 2992, 3520, 3740, 3832, 4790, 5269, 5440, 5984, 7480, 7664, 8143, 9580, 10538, 11968, 14960, 15328, 16286, 19160, 21076, 26345, 29920, 30656, 32572, 38320, 40715, 42152, 52690, 59840, 65144, 76640, 81430, 84304, 89573, 105380, 130288, 153280, 162860, 168608, 179146, 210760, 260576, 325720, 337216, 358292, 421520, 447865, 521152, 651440, 716584, 843040, 895730, 1302880, 1433168, 1686080, 1791460, 2605760, 2866336, 3582920, 5732672, 7165840, 14331680, 28663360]

約数ペア:

[(1, 28663360), (2, 14331680), (4, 7165840), (5, 5732672), (8, 3582920), (10, 2866336), (11, 2605760), (16, 1791460), (17, 1686080), (20, 1433168), (22, 1302880), (32, 895730), (34, 843040), (40, 716584), (44, 651440), (55, 521152), (64, 447865), (68, 421520), (80, 358292), (85, 337216), (88, 325720), (110, 260576), (136, 210760), (160, 179146), (170, 168608), (176, 162860), (187, 153280), (220, 130288), (272, 105380), (320, 89573), (340, 84304), (352, 81430), (374, 76640), (440, 65144), (479, 59840), (544, 52690), (680, 42152), (704, 40715), (748, 38320), (880, 32572), (935, 30656), (958, 29920), (1088, 26345), (1360, 21076), (1496, 19160), (1760, 16286), (1870, 15328), (1916, 14960), (2395, 11968), (2720, 10538), (2992, 9580), (3520, 8143), (3740, 7664), (3832, 7480), (4790, 5984), (5269, 5440)]