255045720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:1009

約数の個数: 128

約数和(自身を含む): 801964800

約数和(自身を除く): 546919080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 83, 87, 116, 120, 145, 166, 174, 232, 249, 290, 332, 348, 415, 435, 498, 580, 664, 696, 830, 870, 883, 996, 1160, 1245, 1660, 1740, 1766, 1992, 2407, 2490, 2649, 3320, 3480, 3532, 4415, 4814, 4980, 5298, 7064, 7221, 8830, 9628, 9960, 10596, 12035, 13245, 14442, 17660, 19256, 21192, 24070, 25607, 26490, 28884, 35320, 36105, 48140, 51214, 52980, 57768, 72210, 73289, 76821, 96280, 102428, 105960, 128035, 144420, 146578, 153642, 204856, 219867, 256070, 288840, 293156, 307284, 366445, 384105, 439734, 512140, 586312, 614568, 732890, 768210, 879468, 1024280, 1099335, 1465780, 1536420, 1758936, 2125381, 2198670, 2931560, 3072840, 4250762, 4397340, 6376143, 8501524, 8794680, 10626905, 12752286, 17003048, 21253810, 25504572, 31880715, 42507620, 51009144, 63761430, 85015240, 127522860, 255045720]

約数ペア:

[(1, 255045720), (2, 127522860), (3, 85015240), (4, 63761430), (5, 51009144), (6, 42507620), (8, 31880715), (10, 25504572), (12, 21253810), (15, 17003048), (20, 12752286), (24, 10626905), (29, 8794680), (30, 8501524), (40, 6376143), (58, 4397340), (60, 4250762), (83, 3072840), (87, 2931560), (116, 2198670), (120, 2125381), (145, 1758936), (166, 1536420), (174, 1465780), (232, 1099335), (249, 1024280), (290, 879468), (332, 768210), (348, 732890), (415, 614568), (435, 586312), (498, 512140), (580, 439734), (664, 384105), (696, 366445), (830, 307284), (870, 293156), (883, 288840), (996, 256070), (1160, 219867), (1245, 204856), (1660, 153642), (1740, 146578), (1766, 144420), (1992, 128035), (2407, 105960), (2490, 102428), (2649, 96280), (3320, 76821), (3480, 73289), (3532, 72210), (4415, 57768), (4814, 52980), (4980, 51214), (5298, 48140), (7064, 36105), (7221, 35320), (8830, 28884), (9628, 26490), (9960, 25607), (10596, 24070), (12035, 21192), (13245, 19256), (14442, 17660)]