77790780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1601

約数の個数: 120

約数和(自身を含む): 252067200

約数和(自身を除く): 174276420

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, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1549, 1620, 1674, 1860, 2511, 2790, 3098, 3348, 4185, 4647, 5022, 5580, 6196, 7745, 8370, 9294, 10044, 12555, 13941, 15490, 16740, 18588, 23235, 25110, 27882, 30980, 41823, 46470, 48019, 50220, 55764, 69705, 83646, 92940, 96038, 125469, 139410, 144057, 167292, 192076, 209115, 240095, 250938, 278820, 288114, 418230, 432171, 480190, 501876, 576228, 627345, 720285, 836460, 864342, 960380, 1254690, 1296513, 1440570, 1728684, 2160855, 2509380, 2593026, 2881140, 3889539, 4321710, 5186052, 6482565, 7779078, 8643420, 12965130, 15558156, 19447695, 25930260, 38895390, 77790780]

約数ペア:

[(1, 77790780), (2, 38895390), (3, 25930260), (4, 19447695), (5, 15558156), (6, 12965130), (9, 8643420), (10, 7779078), (12, 6482565), (15, 5186052), (18, 4321710), (20, 3889539), (27, 2881140), (30, 2593026), (31, 2509380), (36, 2160855), (45, 1728684), (54, 1440570), (60, 1296513), (62, 1254690), (81, 960380), (90, 864342), (93, 836460), (108, 720285), (124, 627345), (135, 576228), (155, 501876), (162, 480190), (180, 432171), (186, 418230), (270, 288114), (279, 278820), (310, 250938), (324, 240095), (372, 209115), (405, 192076), (465, 167292), (540, 144057), (558, 139410), (620, 125469), (810, 96038), (837, 92940), (930, 83646), (1116, 69705), (1395, 55764), (1549, 50220), (1620, 48019), (1674, 46470), (1860, 41823), (2511, 30980), (2790, 27882), (3098, 25110), (3348, 23235), (4185, 18588), (4647, 16740), (5022, 15490), (5580, 13941), (6196, 12555), (7745, 10044), (8370, 9294)]