71509480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 198132480

約数和(自身を除く): 126623000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 83, 85, 119, 136, 140, 166, 170, 181, 238, 280, 332, 340, 362, 415, 476, 581, 595, 664, 680, 724, 830, 905, 952, 1162, 1190, 1267, 1411, 1448, 1660, 1810, 2324, 2380, 2534, 2822, 2905, 3077, 3320, 3620, 4648, 4760, 5068, 5644, 5810, 6154, 6335, 7055, 7240, 9877, 10136, 11288, 11620, 12308, 12670, 14110, 15023, 15385, 19754, 21539, 23240, 24616, 25340, 28220, 30046, 30770, 39508, 43078, 49385, 50680, 56440, 60092, 61540, 75115, 79016, 86156, 98770, 105161, 107695, 120184, 123080, 150230, 172312, 197540, 210322, 215390, 255391, 300460, 395080, 420644, 430780, 510782, 525805, 600920, 841288, 861560, 1021564, 1051610, 1276955, 1787737, 2043128, 2103220, 2553910, 3575474, 4206440, 5107820, 7150948, 8938685, 10215640, 14301896, 17877370, 35754740, 71509480]

約数ペア:

[(1, 71509480), (2, 35754740), (4, 17877370), (5, 14301896), (7, 10215640), (8, 8938685), (10, 7150948), (14, 5107820), (17, 4206440), (20, 3575474), (28, 2553910), (34, 2103220), (35, 2043128), (40, 1787737), (56, 1276955), (68, 1051610), (70, 1021564), (83, 861560), (85, 841288), (119, 600920), (136, 525805), (140, 510782), (166, 430780), (170, 420644), (181, 395080), (238, 300460), (280, 255391), (332, 215390), (340, 210322), (362, 197540), (415, 172312), (476, 150230), (581, 123080), (595, 120184), (664, 107695), (680, 105161), (724, 98770), (830, 86156), (905, 79016), (952, 75115), (1162, 61540), (1190, 60092), (1267, 56440), (1411, 50680), (1448, 49385), (1660, 43078), (1810, 39508), (2324, 30770), (2380, 30046), (2534, 28220), (2822, 25340), (2905, 24616), (3077, 23240), (3320, 21539), (3620, 19754), (4648, 15385), (4760, 15023), (5068, 14110), (5644, 12670), (5810, 12308), (6154, 11620), (6335, 11288), (7055, 10136), (7240, 9877)]