128722720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 192

約数和(自身を含む): 383201280

約数和(自身を除く): 254478560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 160, 161, 184, 190, 224, 230, 263, 266, 280, 304, 322, 368, 380, 437, 460, 526, 532, 560, 608, 644, 665, 736, 760, 805, 874, 920, 1052, 1064, 1120, 1288, 1315, 1330, 1520, 1610, 1748, 1840, 1841, 2104, 2128, 2185, 2576, 2630, 2660, 3040, 3059, 3220, 3496, 3680, 3682, 4208, 4256, 4370, 4997, 5152, 5260, 5320, 6049, 6118, 6440, 6992, 7364, 8416, 8740, 9205, 9994, 10520, 10640, 12098, 12236, 12880, 13984, 14728, 15295, 17480, 18410, 19988, 21040, 21280, 24196, 24472, 24985, 25760, 29456, 30245, 30590, 34960, 34979, 36820, 39976, 42080, 42343, 48392, 48944, 49970, 58912, 60490, 61180, 69920, 69958, 73640, 79952, 84686, 96784, 97888, 99940, 114931, 120980, 122360, 139916, 147280, 159904, 169372, 174895, 193568, 199880, 211715, 229862, 241960, 244720, 279832, 294560, 338744, 349790, 399760, 423430, 459724, 483920, 489440, 559664, 574655, 677488, 699580, 799520, 804517, 846860, 919448, 967840, 1119328, 1149310, 1354976, 1399160, 1609034, 1693720, 1838896, 2298620, 2798320, 3218068, 3387440, 3677792, 4022585, 4597240, 5596640, 6436136, 6774880, 8045170, 9194480, 12872272, 16090340, 18388960, 25744544, 32180680, 64361360, 128722720]

約数ペア:

[(1, 128722720), (2, 64361360), (4, 32180680), (5, 25744544), (7, 18388960), (8, 16090340), (10, 12872272), (14, 9194480), (16, 8045170), (19, 6774880), (20, 6436136), (23, 5596640), (28, 4597240), (32, 4022585), (35, 3677792), (38, 3387440), (40, 3218068), (46, 2798320), (56, 2298620), (70, 1838896), (76, 1693720), (80, 1609034), (92, 1399160), (95, 1354976), (112, 1149310), (115, 1119328), (133, 967840), (140, 919448), (152, 846860), (160, 804517), (161, 799520), (184, 699580), (190, 677488), (224, 574655), (230, 559664), (263, 489440), (266, 483920), (280, 459724), (304, 423430), (322, 399760), (368, 349790), (380, 338744), (437, 294560), (460, 279832), (526, 244720), (532, 241960), (560, 229862), (608, 211715), (644, 199880), (665, 193568), (736, 174895), (760, 169372), (805, 159904), (874, 147280), (920, 139916), (1052, 122360), (1064, 120980), (1120, 114931), (1288, 99940), (1315, 97888), (1330, 96784), (1520, 84686), (1610, 79952), (1748, 73640), (1840, 69958), (1841, 69920), (2104, 61180), (2128, 60490), (2185, 58912), (2576, 49970), (2630, 48944), (2660, 48392), (3040, 42343), (3059, 42080), (3220, 39976), (3496, 36820), (3680, 34979), (3682, 34960), (4208, 30590), (4256, 30245), (4370, 29456), (4997, 25760), (5152, 24985), (5260, 24472), (5320, 24196), (6049, 21280), (6118, 21040), (6440, 19988), (6992, 18410), (7364, 17480), (8416, 15295), (8740, 14728), (9205, 13984), (9994, 12880), (10520, 12236), (10640, 12098)]