258704320

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{2357}}^1$

素因数の和:2395

約数の個数: 112

約数和(自身を含む): 718718400

約数和(自身を除く): 460014080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2357, 2744, 3136, 3430, 3920, 4714, 5488, 6860, 7840, 9428, 10976, 11785, 13720, 15680, 16499, 18856, 21952, 23570, 27440, 32998, 37712, 47140, 54880, 65996, 75424, 82495, 94280, 109760, 115493, 131992, 150848, 164990, 188560, 230986, 263984, 329980, 377120, 461972, 527968, 577465, 659960, 754240, 808451, 923944, 1055936, 1154930, 1319920, 1616902, 1847888, 2309860, 2639840, 3233804, 3695776, 4042255, 4619720, 5279680, 6467608, 7391552, 8084510, 9239440, 12935216, 16169020, 18478880, 25870432, 32338040, 36957760, 51740864, 64676080, 129352160, 258704320]

約数ペア:

[(1, 258704320), (2, 129352160), (4, 64676080), (5, 51740864), (7, 36957760), (8, 32338040), (10, 25870432), (14, 18478880), (16, 16169020), (20, 12935216), (28, 9239440), (32, 8084510), (35, 7391552), (40, 6467608), (49, 5279680), (56, 4619720), (64, 4042255), (70, 3695776), (80, 3233804), (98, 2639840), (112, 2309860), (140, 1847888), (160, 1616902), (196, 1319920), (224, 1154930), (245, 1055936), (280, 923944), (320, 808451), (343, 754240), (392, 659960), (448, 577465), (490, 527968), (560, 461972), (686, 377120), (784, 329980), (980, 263984), (1120, 230986), (1372, 188560), (1568, 164990), (1715, 150848), (1960, 131992), (2240, 115493), (2357, 109760), (2744, 94280), (3136, 82495), (3430, 75424), (3920, 65996), (4714, 54880), (5488, 47140), (6860, 37712), (7840, 32998), (9428, 27440), (10976, 23570), (11785, 21952), (13720, 18856), (15680, 16499)]