12740280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 45273600

約数和(自身を除く): 32533320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 523, 580, 609, 696, 812, 840, 870, 1015, 1046, 1160, 1218, 1569, 1624, 1740, 2030, 2092, 2436, 2615, 3045, 3138, 3480, 3661, 4060, 4184, 4872, 5230, 6090, 6276, 7322, 7845, 8120, 10460, 10983, 12180, 12552, 14644, 15167, 15690, 18305, 20920, 21966, 24360, 29288, 30334, 31380, 36610, 43932, 45501, 54915, 60668, 62760, 73220, 75835, 87864, 91002, 106169, 109830, 121336, 146440, 151670, 182004, 212338, 219660, 227505, 303340, 318507, 364008, 424676, 439320, 455010, 530845, 606680, 637014, 849352, 910020, 1061690, 1274028, 1592535, 1820040, 2123380, 2548056, 3185070, 4246760, 6370140, 12740280]

約数ペア:

[(1, 12740280), (2, 6370140), (3, 4246760), (4, 3185070), (5, 2548056), (6, 2123380), (7, 1820040), (8, 1592535), (10, 1274028), (12, 1061690), (14, 910020), (15, 849352), (20, 637014), (21, 606680), (24, 530845), (28, 455010), (29, 439320), (30, 424676), (35, 364008), (40, 318507), (42, 303340), (56, 227505), (58, 219660), (60, 212338), (70, 182004), (84, 151670), (87, 146440), (105, 121336), (116, 109830), (120, 106169), (140, 91002), (145, 87864), (168, 75835), (174, 73220), (203, 62760), (210, 60668), (232, 54915), (280, 45501), (290, 43932), (348, 36610), (406, 31380), (420, 30334), (435, 29288), (523, 24360), (580, 21966), (609, 20920), (696, 18305), (812, 15690), (840, 15167), (870, 14644), (1015, 12552), (1046, 12180), (1160, 10983), (1218, 10460), (1569, 8120), (1624, 7845), (1740, 7322), (2030, 6276), (2092, 6090), (2436, 5230), (2615, 4872), (3045, 4184), (3138, 4060), (3480, 3661)]