261814320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12539}}^1$

素因数の和:12587

約数の個数: 120

約数和(自身を含む): 909651600

約数和(自身を除く): 647837280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 12539, 20880, 25078, 37617, 50156, 62695, 75234, 100312, 112851, 125390, 150468, 188085, 200624, 225702, 250780, 300936, 363631, 376170, 451404, 501560, 564255, 601872, 727262, 752340, 902808, 1003120, 1090893, 1128510, 1454524, 1504680, 1805616, 1818155, 2181786, 2257020, 2909048, 3009360, 3272679, 3636310, 4363572, 4514040, 5454465, 5818096, 6545358, 7272620, 8727144, 9028080, 10908930, 13090716, 14545240, 16363395, 17454288, 21817860, 26181432, 29090480, 32726790, 43635720, 52362864, 65453580, 87271440, 130907160, 261814320]

約数ペア:

[(1, 261814320), (2, 130907160), (3, 87271440), (4, 65453580), (5, 52362864), (6, 43635720), (8, 32726790), (9, 29090480), (10, 26181432), (12, 21817860), (15, 17454288), (16, 16363395), (18, 14545240), (20, 13090716), (24, 10908930), (29, 9028080), (30, 8727144), (36, 7272620), (40, 6545358), (45, 5818096), (48, 5454465), (58, 4514040), (60, 4363572), (72, 3636310), (80, 3272679), (87, 3009360), (90, 2909048), (116, 2257020), (120, 2181786), (144, 1818155), (145, 1805616), (174, 1504680), (180, 1454524), (232, 1128510), (240, 1090893), (261, 1003120), (290, 902808), (348, 752340), (360, 727262), (435, 601872), (464, 564255), (522, 501560), (580, 451404), (696, 376170), (720, 363631), (870, 300936), (1044, 250780), (1160, 225702), (1305, 200624), (1392, 188085), (1740, 150468), (2088, 125390), (2320, 112851), (2610, 100312), (3480, 75234), (4176, 62695), (5220, 50156), (6960, 37617), (10440, 25078), (12539, 20880)]