1278209280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2621}}^1$

素因数の和:2772

約数の個数: 144

約数和(自身を含む): 4115994624

約数和(自身を除く): 2837785344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 635, 640, 762, 768, 960, 1016, 1270, 1280, 1524, 1905, 1920, 2032, 2540, 2621, 3048, 3810, 3840, 4064, 5080, 5242, 6096, 7620, 7863, 8128, 10160, 10484, 12192, 13105, 15240, 15726, 16256, 20320, 20968, 24384, 26210, 30480, 31452, 32512, 39315, 40640, 41936, 48768, 52420, 60960, 62904, 78630, 81280, 83872, 97536, 104840, 121920, 125808, 157260, 162560, 167744, 209680, 243840, 251616, 314520, 332867, 335488, 419360, 487680, 503232, 629040, 665734, 670976, 838720, 998601, 1006464, 1258080, 1331468, 1664335, 1677440, 1997202, 2012928, 2516160, 2662936, 3328670, 3354880, 3994404, 4993005, 5032320, 5325872, 6657340, 7988808, 9986010, 10064640, 10651744, 13314680, 15977616, 19972020, 21303488, 26629360, 31955232, 39944040, 42606976, 53258720, 63910464, 79888080, 85213952, 106517440, 127820928, 159776160, 213034880, 255641856, 319552320, 426069760, 639104640, 1278209280]

約数ペア:

[(1, 1278209280), (2, 639104640), (3, 426069760), (4, 319552320), (5, 255641856), (6, 213034880), (8, 159776160), (10, 127820928), (12, 106517440), (15, 85213952), (16, 79888080), (20, 63910464), (24, 53258720), (30, 42606976), (32, 39944040), (40, 31955232), (48, 26629360), (60, 21303488), (64, 19972020), (80, 15977616), (96, 13314680), (120, 10651744), (127, 10064640), (128, 9986010), (160, 7988808), (192, 6657340), (240, 5325872), (254, 5032320), (256, 4993005), (320, 3994404), (381, 3354880), (384, 3328670), (480, 2662936), (508, 2516160), (635, 2012928), (640, 1997202), (762, 1677440), (768, 1664335), (960, 1331468), (1016, 1258080), (1270, 1006464), (1280, 998601), (1524, 838720), (1905, 670976), (1920, 665734), (2032, 629040), (2540, 503232), (2621, 487680), (3048, 419360), (3810, 335488), (3840, 332867), (4064, 314520), (5080, 251616), (5242, 243840), (6096, 209680), (7620, 167744), (7863, 162560), (8128, 157260), (10160, 125808), (10484, 121920), (12192, 104840), (13105, 97536), (15240, 83872), (15726, 81280), (16256, 78630), (20320, 62904), (20968, 60960), (24384, 52420), (26210, 48768), (30480, 41936), (31452, 40640), (32512, 39315)]