231385280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1949}}^1$

素因数の和:2026

約数の個数: 112

約数和(自身を含む): 641908800

約数和(自身を除く): 410523520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 742, 848, 1060, 1120, 1484, 1696, 1855, 1949, 2120, 2240, 2968, 3392, 3710, 3898, 4240, 5936, 7420, 7796, 8480, 9745, 11872, 13643, 14840, 15592, 16960, 19490, 23744, 27286, 29680, 31184, 38980, 54572, 59360, 62368, 68215, 77960, 103297, 109144, 118720, 124736, 136430, 155920, 206594, 218288, 272860, 311840, 413188, 436576, 516485, 545720, 623680, 723079, 826376, 873152, 1032970, 1091440, 1446158, 1652752, 2065940, 2182880, 2892316, 3305504, 3615395, 4131880, 4365760, 5784632, 6611008, 7230790, 8263760, 11569264, 14461580, 16527520, 23138528, 28923160, 33055040, 46277056, 57846320, 115692640, 231385280]

約数ペア:

[(1, 231385280), (2, 115692640), (4, 57846320), (5, 46277056), (7, 33055040), (8, 28923160), (10, 23138528), (14, 16527520), (16, 14461580), (20, 11569264), (28, 8263760), (32, 7230790), (35, 6611008), (40, 5784632), (53, 4365760), (56, 4131880), (64, 3615395), (70, 3305504), (80, 2892316), (106, 2182880), (112, 2065940), (140, 1652752), (160, 1446158), (212, 1091440), (224, 1032970), (265, 873152), (280, 826376), (320, 723079), (371, 623680), (424, 545720), (448, 516485), (530, 436576), (560, 413188), (742, 311840), (848, 272860), (1060, 218288), (1120, 206594), (1484, 155920), (1696, 136430), (1855, 124736), (1949, 118720), (2120, 109144), (2240, 103297), (2968, 77960), (3392, 68215), (3710, 62368), (3898, 59360), (4240, 54572), (5936, 38980), (7420, 31184), (7796, 29680), (8480, 27286), (9745, 23744), (11872, 19490), (13643, 16960), (14840, 15592)]