8409420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 27442800

約数和(自身を除く): 19033380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 179, 180, 261, 270, 290, 324, 348, 358, 405, 435, 522, 537, 540, 580, 716, 783, 810, 870, 895, 1044, 1074, 1305, 1566, 1611, 1620, 1740, 1790, 2148, 2349, 2610, 2685, 3132, 3222, 3580, 3915, 4698, 4833, 5191, 5220, 5370, 6444, 7830, 8055, 9396, 9666, 10382, 10740, 11745, 14499, 15573, 15660, 16110, 19332, 20764, 23490, 24165, 25955, 28998, 31146, 32220, 46719, 46980, 48330, 51910, 57996, 62292, 72495, 77865, 93438, 96660, 103820, 140157, 144990, 155730, 186876, 233595, 280314, 289980, 311460, 420471, 467190, 560628, 700785, 840942, 934380, 1401570, 1681884, 2102355, 2803140, 4204710, 8409420]

約数ペア:

[(1, 8409420), (2, 4204710), (3, 2803140), (4, 2102355), (5, 1681884), (6, 1401570), (9, 934380), (10, 840942), (12, 700785), (15, 560628), (18, 467190), (20, 420471), (27, 311460), (29, 289980), (30, 280314), (36, 233595), (45, 186876), (54, 155730), (58, 144990), (60, 140157), (81, 103820), (87, 96660), (90, 93438), (108, 77865), (116, 72495), (135, 62292), (145, 57996), (162, 51910), (174, 48330), (179, 46980), (180, 46719), (261, 32220), (270, 31146), (290, 28998), (324, 25955), (348, 24165), (358, 23490), (405, 20764), (435, 19332), (522, 16110), (537, 15660), (540, 15573), (580, 14499), (716, 11745), (783, 10740), (810, 10382), (870, 9666), (895, 9396), (1044, 8055), (1074, 7830), (1305, 6444), (1566, 5370), (1611, 5220), (1620, 5191), (1740, 4833), (1790, 4698), (2148, 3915), (2349, 3580), (2610, 3222), (2685, 3132)]