253651440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21569}}^1$

素因数の和:21599

約数の個数: 120

約数和(自身を含む): 914740560

約数和(自身を除く): 661089120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21569, 43138, 64707, 86276, 107845, 129414, 150983, 172552, 215690, 258828, 301966, 323535, 345104, 431380, 452949, 517656, 603932, 647070, 754915, 862760, 905898, 1035312, 1056881, 1207864, 1294140, 1509830, 1725520, 1811796, 2113762, 2264745, 2415728, 2588280, 3019660, 3170643, 3623592, 4227524, 4529490, 5176560, 5284405, 6039320, 6341286, 7247184, 8455048, 9058980, 10568810, 12078640, 12682572, 15853215, 16910096, 18117960, 21137620, 25365144, 31706430, 36235920, 42275240, 50730288, 63412860, 84550480, 126825720, 253651440]

約数ペア:

[(1, 253651440), (2, 126825720), (3, 84550480), (4, 63412860), (5, 50730288), (6, 42275240), (7, 36235920), (8, 31706430), (10, 25365144), (12, 21137620), (14, 18117960), (15, 16910096), (16, 15853215), (20, 12682572), (21, 12078640), (24, 10568810), (28, 9058980), (30, 8455048), (35, 7247184), (40, 6341286), (42, 6039320), (48, 5284405), (49, 5176560), (56, 4529490), (60, 4227524), (70, 3623592), (80, 3170643), (84, 3019660), (98, 2588280), (105, 2415728), (112, 2264745), (120, 2113762), (140, 1811796), (147, 1725520), (168, 1509830), (196, 1294140), (210, 1207864), (240, 1056881), (245, 1035312), (280, 905898), (294, 862760), (336, 754915), (392, 647070), (420, 603932), (490, 517656), (560, 452949), (588, 431380), (735, 345104), (784, 323535), (840, 301966), (980, 258828), (1176, 215690), (1470, 172552), (1680, 150983), (1960, 129414), (2352, 107845), (2940, 86276), (3920, 64707), (5880, 43138), (11760, 21569)]