84111680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 112

約数和(自身を含む): 211653120

約数和(自身を除く): 127541440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 139, 155, 160, 244, 248, 278, 305, 310, 320, 488, 496, 556, 610, 620, 695, 976, 992, 1112, 1220, 1240, 1390, 1891, 1952, 1984, 2224, 2440, 2480, 2780, 3782, 3904, 4309, 4448, 4880, 4960, 5560, 7564, 8479, 8618, 8896, 9455, 9760, 9920, 11120, 15128, 16958, 17236, 18910, 19520, 21545, 22240, 30256, 33916, 34472, 37820, 42395, 43090, 44480, 60512, 67832, 68944, 75640, 84790, 86180, 121024, 135664, 137888, 151280, 169580, 172360, 262849, 271328, 275776, 302560, 339160, 344720, 525698, 542656, 605120, 678320, 689440, 1051396, 1314245, 1356640, 1378880, 2102792, 2628490, 2713280, 4205584, 5256980, 8411168, 10513960, 16822336, 21027920, 42055840, 84111680]

約数ペア:

[(1, 84111680), (2, 42055840), (4, 21027920), (5, 16822336), (8, 10513960), (10, 8411168), (16, 5256980), (20, 4205584), (31, 2713280), (32, 2628490), (40, 2102792), (61, 1378880), (62, 1356640), (64, 1314245), (80, 1051396), (122, 689440), (124, 678320), (139, 605120), (155, 542656), (160, 525698), (244, 344720), (248, 339160), (278, 302560), (305, 275776), (310, 271328), (320, 262849), (488, 172360), (496, 169580), (556, 151280), (610, 137888), (620, 135664), (695, 121024), (976, 86180), (992, 84790), (1112, 75640), (1220, 68944), (1240, 67832), (1390, 60512), (1891, 44480), (1952, 43090), (1984, 42395), (2224, 37820), (2440, 34472), (2480, 33916), (2780, 30256), (3782, 22240), (3904, 21545), (4309, 19520), (4448, 18910), (4880, 17236), (4960, 16958), (5560, 15128), (7564, 11120), (8479, 9920), (8618, 9760), (8896, 9455)]