128977800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 288

約数和(自身を含む): 480906720

約数和(自身を除く): 351928920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 41, 42, 49, 50, 56, 60, 70, 75, 82, 84, 98, 100, 105, 107, 120, 123, 140, 147, 150, 164, 168, 175, 196, 200, 205, 210, 214, 245, 246, 280, 287, 294, 300, 321, 328, 350, 392, 410, 420, 428, 490, 492, 525, 535, 574, 588, 600, 615, 642, 700, 735, 749, 820, 840, 856, 861, 980, 984, 1025, 1050, 1070, 1148, 1176, 1225, 1230, 1284, 1400, 1435, 1470, 1498, 1605, 1640, 1722, 1960, 2009, 2050, 2100, 2140, 2247, 2296, 2450, 2460, 2568, 2675, 2870, 2940, 2996, 3075, 3210, 3444, 3675, 3745, 4018, 4100, 4200, 4280, 4305, 4387, 4494, 4900, 4920, 5243, 5350, 5740, 5880, 5992, 6027, 6150, 6420, 6888, 7175, 7350, 7490, 8025, 8036, 8200, 8610, 8774, 8988, 9800, 10045, 10486, 10700, 11235, 11480, 12054, 12300, 12840, 13161, 14350, 14700, 14980, 15729, 16050, 16072, 17220, 17548, 17976, 18725, 20090, 20972, 21400, 21525, 21935, 22470, 24108, 24600, 26215, 26322, 28700, 29400, 29960, 30135, 30709, 31458, 32100, 34440, 35096, 37450, 40180, 41944, 43050, 43870, 44940, 48216, 50225, 52430, 52644, 56175, 57400, 60270, 61418, 62916, 64200, 65805, 74900, 78645, 80360, 86100, 87740, 89880, 92127, 100450, 104860, 105288, 109675, 112350, 120540, 122836, 125832, 131075, 131610, 149800, 150675, 153545, 157290, 172200, 175480, 184254, 200900, 209720, 214963, 219350, 224700, 241080, 245672, 262150, 263220, 301350, 307090, 314580, 329025, 368508, 393225, 401800, 429926, 438700, 449400, 460635, 524300, 526440, 602700, 614180, 629160, 644889, 658050, 737016, 767725, 786450, 859852, 877400, 921270, 1048600, 1074815, 1205400, 1228360, 1289778, 1316100, 1535450, 1572900, 1719704, 1842540, 2149630, 2303175, 2579556, 2632200, 3070900, 3145800, 3224445, 3685080, 4299260, 4606350, 5159112, 5374075, 6141800, 6448890, 8598520, 9212700, 10748150, 12897780, 16122225, 18425400, 21496300, 25795560, 32244450, 42992600, 64488900, 128977800]

約数ペア:

[(1, 128977800), (2, 64488900), (3, 42992600), (4, 32244450), (5, 25795560), (6, 21496300), (7, 18425400), (8, 16122225), (10, 12897780), (12, 10748150), (14, 9212700), (15, 8598520), (20, 6448890), (21, 6141800), (24, 5374075), (25, 5159112), (28, 4606350), (30, 4299260), (35, 3685080), (40, 3224445), (41, 3145800), (42, 3070900), (49, 2632200), (50, 2579556), (56, 2303175), (60, 2149630), (70, 1842540), (75, 1719704), (82, 1572900), (84, 1535450), (98, 1316100), (100, 1289778), (105, 1228360), (107, 1205400), (120, 1074815), (123, 1048600), (140, 921270), (147, 877400), (150, 859852), (164, 786450), (168, 767725), (175, 737016), (196, 658050), (200, 644889), (205, 629160), (210, 614180), (214, 602700), (245, 526440), (246, 524300), (280, 460635), (287, 449400), (294, 438700), (300, 429926), (321, 401800), (328, 393225), (350, 368508), (392, 329025), (410, 314580), (420, 307090), (428, 301350), (490, 263220), (492, 262150), (525, 245672), (535, 241080), (574, 224700), (588, 219350), (600, 214963), (615, 209720), (642, 200900), (700, 184254), (735, 175480), (749, 172200), (820, 157290), (840, 153545), (856, 150675), (861, 149800), (980, 131610), (984, 131075), (1025, 125832), (1050, 122836), (1070, 120540), (1148, 112350), (1176, 109675), (1225, 105288), (1230, 104860), (1284, 100450), (1400, 92127), (1435, 89880), (1470, 87740), (1498, 86100), (1605, 80360), (1640, 78645), (1722, 74900), (1960, 65805), (2009, 64200), (2050, 62916), (2100, 61418), (2140, 60270), (2247, 57400), (2296, 56175), (2450, 52644), (2460, 52430), (2568, 50225), (2675, 48216), (2870, 44940), (2940, 43870), (2996, 43050), (3075, 41944), (3210, 40180), (3444, 37450), (3675, 35096), (3745, 34440), (4018, 32100), (4100, 31458), (4200, 30709), (4280, 30135), (4305, 29960), (4387, 29400), (4494, 28700), (4900, 26322), (4920, 26215), (5243, 24600), (5350, 24108), (5740, 22470), (5880, 21935), (5992, 21525), (6027, 21400), (6150, 20972), (6420, 20090), (6888, 18725), (7175, 17976), (7350, 17548), (7490, 17220), (8025, 16072), (8036, 16050), (8200, 15729), (8610, 14980), (8774, 14700), (8988, 14350), (9800, 13161), (10045, 12840), (10486, 12300), (10700, 12054), (11235, 11480)]