12730480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 34283520

約数和(自身を除く): 21553040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 179, 254, 280, 358, 508, 560, 635, 716, 889, 895, 1016, 1253, 1270, 1432, 1778, 1790, 2032, 2506, 2540, 2864, 3556, 3580, 4445, 5012, 5080, 6265, 7112, 7160, 8890, 10024, 10160, 12530, 14224, 14320, 17780, 20048, 22733, 25060, 35560, 45466, 50120, 71120, 90932, 100240, 113665, 159131, 181864, 227330, 318262, 363728, 454660, 636524, 795655, 909320, 1273048, 1591310, 1818640, 2546096, 3182620, 6365240, 12730480]

約数ペア:

[(1, 12730480), (2, 6365240), (4, 3182620), (5, 2546096), (7, 1818640), (8, 1591310), (10, 1273048), (14, 909320), (16, 795655), (20, 636524), (28, 454660), (35, 363728), (40, 318262), (56, 227330), (70, 181864), (80, 159131), (112, 113665), (127, 100240), (140, 90932), (179, 71120), (254, 50120), (280, 45466), (358, 35560), (508, 25060), (560, 22733), (635, 20048), (716, 17780), (889, 14320), (895, 14224), (1016, 12530), (1253, 10160), (1270, 10024), (1432, 8890), (1778, 7160), (1790, 7112), (2032, 6265), (2506, 5080), (2540, 5012), (2864, 4445), (3556, 3580)]