47181680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6514

約数の個数: 80

約数和(自身を含む): 135033024

約数和(自身を除く): 87851344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 6481, 7280, 12962, 25924, 32405, 45367, 51848, 64810, 84253, 90734, 103696, 129620, 168506, 181468, 226835, 259240, 337012, 362936, 421265, 453670, 518480, 589771, 674024, 725872, 842530, 907340, 1179542, 1348048, 1685060, 1814680, 2359084, 2948855, 3370120, 3629360, 4718168, 5897710, 6740240, 9436336, 11795420, 23590840, 47181680]

約数ペア:

[(1, 47181680), (2, 23590840), (4, 11795420), (5, 9436336), (7, 6740240), (8, 5897710), (10, 4718168), (13, 3629360), (14, 3370120), (16, 2948855), (20, 2359084), (26, 1814680), (28, 1685060), (35, 1348048), (40, 1179542), (52, 907340), (56, 842530), (65, 725872), (70, 674024), (80, 589771), (91, 518480), (104, 453670), (112, 421265), (130, 362936), (140, 337012), (182, 259240), (208, 226835), (260, 181468), (280, 168506), (364, 129620), (455, 103696), (520, 90734), (560, 84253), (728, 64810), (910, 51848), (1040, 45367), (1456, 32405), (1820, 25924), (3640, 12962), (6481, 7280)]