81605440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2184

約数の個数: 112

約数和(自身を含む): 235256832

約数和(自身を除く): 153651392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 952, 1088, 1120, 1190, 1360, 1904, 2143, 2240, 2380, 2720, 3808, 4286, 4760, 5440, 7616, 8572, 9520, 10715, 15001, 17144, 19040, 21430, 30002, 34288, 36431, 38080, 42860, 60004, 68576, 72862, 75005, 85720, 120008, 137152, 145724, 150010, 171440, 182155, 240016, 255017, 291448, 300020, 342880, 364310, 480032, 510034, 582896, 600040, 685760, 728620, 960064, 1020068, 1165792, 1200080, 1275085, 1457240, 2040136, 2331584, 2400160, 2550170, 2914480, 4080272, 4800320, 5100340, 5828960, 8160544, 10200680, 11657920, 16321088, 20401360, 40802720, 81605440]

約数ペア:

[(1, 81605440), (2, 40802720), (4, 20401360), (5, 16321088), (7, 11657920), (8, 10200680), (10, 8160544), (14, 5828960), (16, 5100340), (17, 4800320), (20, 4080272), (28, 2914480), (32, 2550170), (34, 2400160), (35, 2331584), (40, 2040136), (56, 1457240), (64, 1275085), (68, 1200080), (70, 1165792), (80, 1020068), (85, 960064), (112, 728620), (119, 685760), (136, 600040), (140, 582896), (160, 510034), (170, 480032), (224, 364310), (238, 342880), (272, 300020), (280, 291448), (320, 255017), (340, 240016), (448, 182155), (476, 171440), (544, 150010), (560, 145724), (595, 137152), (680, 120008), (952, 85720), (1088, 75005), (1120, 72862), (1190, 68576), (1360, 60004), (1904, 42860), (2143, 38080), (2240, 36431), (2380, 34288), (2720, 30002), (3808, 21430), (4286, 19040), (4760, 17144), (5440, 15001), (7616, 10715), (8572, 9520)]