20553011280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3171761}}^1$

素因数の和:3171786

約数の個数: 100

約数和(自身を含む): 71383675572

約数和(自身を除く): 50830664292

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3171761, 6343522, 9515283, 12687044, 15858805, 19030566, 25374088, 28545849, 31717610, 38061132, 47576415, 50748176, 57091698, 63435220, 76122264, 85637547, 95152830, 114183396, 126870440, 142729245, 152244528, 171275094, 190305660, 228366792, 253740880, 256912641, 285458490, 342550188, 380611320, 428187735, 456733584, 513825282, 570916980, 685100376, 761222640, 856375470, 1027650564, 1141833960, 1284563205, 1370200752, 1712750940, 2055301128, 2283667920, 2569126410, 3425501880, 4110602256, 5138252820, 6851003760, 10276505640, 20553011280]

約数ペア:

[(1, 20553011280), (2, 10276505640), (3, 6851003760), (4, 5138252820), (5, 4110602256), (6, 3425501880), (8, 2569126410), (9, 2283667920), (10, 2055301128), (12, 1712750940), (15, 1370200752), (16, 1284563205), (18, 1141833960), (20, 1027650564), (24, 856375470), (27, 761222640), (30, 685100376), (36, 570916980), (40, 513825282), (45, 456733584), (48, 428187735), (54, 380611320), (60, 342550188), (72, 285458490), (80, 256912641), (81, 253740880), (90, 228366792), (108, 190305660), (120, 171275094), (135, 152244528), (144, 142729245), (162, 126870440), (180, 114183396), (216, 95152830), (240, 85637547), (270, 76122264), (324, 63435220), (360, 57091698), (405, 50748176), (432, 47576415), (540, 38061132), (648, 31717610), (720, 28545849), (810, 25374088), (1080, 19030566), (1296, 15858805), (1620, 12687044), (2160, 9515283), (3240, 6343522), (6480, 3171761)]