128203600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 180

約数和(自身を含む): 371607168

約数和(自身を除く): 243403568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 140, 155, 175, 196, 200, 211, 217, 245, 248, 280, 310, 350, 392, 400, 422, 434, 490, 496, 560, 620, 700, 775, 784, 844, 868, 980, 1055, 1085, 1225, 1240, 1400, 1477, 1519, 1550, 1688, 1736, 1960, 2110, 2170, 2450, 2480, 2800, 2954, 3038, 3100, 3376, 3472, 3920, 4220, 4340, 4900, 5275, 5425, 5908, 6076, 6200, 6541, 7385, 7595, 8440, 8680, 9800, 10339, 10550, 10850, 11816, 12152, 12400, 13082, 14770, 15190, 16880, 17360, 19600, 20678, 21100, 21700, 23632, 24304, 26164, 29540, 30380, 32705, 36925, 37975, 41356, 42200, 43400, 45787, 51695, 52328, 59080, 60760, 65410, 73850, 75950, 82712, 84400, 86800, 91574, 103390, 104656, 118160, 121520, 130820, 147700, 151900, 163525, 165424, 183148, 206780, 228935, 258475, 261640, 295400, 303800, 320509, 327050, 366296, 413560, 457870, 516950, 523280, 590800, 607600, 641018, 654100, 732592, 827120, 915740, 1033900, 1144675, 1282036, 1308200, 1602545, 1831480, 2067800, 2289350, 2564072, 2616400, 3205090, 3662960, 4135600, 4578700, 5128144, 6410180, 8012725, 9157400, 12820360, 16025450, 18314800, 25640720, 32050900, 64101800, 128203600]

約数ペア:

[(1, 128203600), (2, 64101800), (4, 32050900), (5, 25640720), (7, 18314800), (8, 16025450), (10, 12820360), (14, 9157400), (16, 8012725), (20, 6410180), (25, 5128144), (28, 4578700), (31, 4135600), (35, 3662960), (40, 3205090), (49, 2616400), (50, 2564072), (56, 2289350), (62, 2067800), (70, 1831480), (80, 1602545), (98, 1308200), (100, 1282036), (112, 1144675), (124, 1033900), (140, 915740), (155, 827120), (175, 732592), (196, 654100), (200, 641018), (211, 607600), (217, 590800), (245, 523280), (248, 516950), (280, 457870), (310, 413560), (350, 366296), (392, 327050), (400, 320509), (422, 303800), (434, 295400), (490, 261640), (496, 258475), (560, 228935), (620, 206780), (700, 183148), (775, 165424), (784, 163525), (844, 151900), (868, 147700), (980, 130820), (1055, 121520), (1085, 118160), (1225, 104656), (1240, 103390), (1400, 91574), (1477, 86800), (1519, 84400), (1550, 82712), (1688, 75950), (1736, 73850), (1960, 65410), (2110, 60760), (2170, 59080), (2450, 52328), (2480, 51695), (2800, 45787), (2954, 43400), (3038, 42200), (3100, 41356), (3376, 37975), (3472, 36925), (3920, 32705), (4220, 30380), (4340, 29540), (4900, 26164), (5275, 24304), (5425, 23632), (5908, 21700), (6076, 21100), (6200, 20678), (6541, 19600), (7385, 17360), (7595, 16880), (8440, 15190), (8680, 14770), (9800, 13082), (10339, 12400), (10550, 12152), (10850, 11816)]