8989380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 29272320

約数和(自身を除く): 20282940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 179, 180, 186, 270, 279, 310, 324, 358, 372, 405, 465, 537, 540, 558, 620, 716, 810, 837, 895, 930, 1074, 1116, 1395, 1611, 1620, 1674, 1790, 1860, 2148, 2511, 2685, 2790, 3222, 3348, 3580, 4185, 4833, 5022, 5370, 5549, 5580, 6444, 8055, 8370, 9666, 10044, 10740, 11098, 12555, 14499, 16110, 16647, 16740, 19332, 22196, 24165, 25110, 27745, 28998, 32220, 33294, 48330, 49941, 50220, 55490, 57996, 66588, 72495, 83235, 96660, 99882, 110980, 144990, 149823, 166470, 199764, 249705, 289980, 299646, 332940, 449469, 499410, 599292, 749115, 898938, 998820, 1498230, 1797876, 2247345, 2996460, 4494690, 8989380]

約数ペア:

[(1, 8989380), (2, 4494690), (3, 2996460), (4, 2247345), (5, 1797876), (6, 1498230), (9, 998820), (10, 898938), (12, 749115), (15, 599292), (18, 499410), (20, 449469), (27, 332940), (30, 299646), (31, 289980), (36, 249705), (45, 199764), (54, 166470), (60, 149823), (62, 144990), (81, 110980), (90, 99882), (93, 96660), (108, 83235), (124, 72495), (135, 66588), (155, 57996), (162, 55490), (179, 50220), (180, 49941), (186, 48330), (270, 33294), (279, 32220), (310, 28998), (324, 27745), (358, 25110), (372, 24165), (405, 22196), (465, 19332), (537, 16740), (540, 16647), (558, 16110), (620, 14499), (716, 12555), (810, 11098), (837, 10740), (895, 10044), (930, 9666), (1074, 8370), (1116, 8055), (1395, 6444), (1611, 5580), (1620, 5549), (1674, 5370), (1790, 5022), (1860, 4833), (2148, 4185), (2511, 3580), (2685, 3348), (2790, 3222)]