8643420

素因数分解:

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

素因数の和:1595

約数の個数: 72

約数和(自身を含む): 27081600

約数和(自身を除く): 18438180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1549, 1860, 2790, 3098, 4647, 5580, 6196, 7745, 9294, 13941, 15490, 18588, 23235, 27882, 30980, 46470, 48019, 55764, 69705, 92940, 96038, 139410, 144057, 192076, 240095, 278820, 288114, 432171, 480190, 576228, 720285, 864342, 960380, 1440570, 1728684, 2160855, 2881140, 4321710, 8643420]

約数ペア:

[(1, 8643420), (2, 4321710), (3, 2881140), (4, 2160855), (5, 1728684), (6, 1440570), (9, 960380), (10, 864342), (12, 720285), (15, 576228), (18, 480190), (20, 432171), (30, 288114), (31, 278820), (36, 240095), (45, 192076), (60, 144057), (62, 139410), (90, 96038), (93, 92940), (124, 69705), (155, 55764), (180, 48019), (186, 46470), (279, 30980), (310, 27882), (372, 23235), (465, 18588), (558, 15490), (620, 13941), (930, 9294), (1116, 7745), (1395, 6196), (1549, 5580), (1860, 4647), (2790, 3098)]