2123708580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1685483}}^1$

素因数の和:1685505

約数の個数: 72

約数和(自身を含む): 7362194112

約数和(自身を除く): 5238485532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1685483, 3370966, 5056449, 6741932, 8427415, 10112898, 11798381, 15169347, 16854830, 20225796, 23596762, 25282245, 30338694, 33709660, 35395143, 47193524, 50564490, 58991905, 60677388, 70790286, 75846735, 101128980, 106185429, 117983810, 141580572, 151693470, 176975715, 212370858, 235967620, 303386940, 353951430, 424741716, 530927145, 707902860, 1061854290, 2123708580]

約数ペア:

[(1, 2123708580), (2, 1061854290), (3, 707902860), (4, 530927145), (5, 424741716), (6, 353951430), (7, 303386940), (9, 235967620), (10, 212370858), (12, 176975715), (14, 151693470), (15, 141580572), (18, 117983810), (20, 106185429), (21, 101128980), (28, 75846735), (30, 70790286), (35, 60677388), (36, 58991905), (42, 50564490), (45, 47193524), (60, 35395143), (63, 33709660), (70, 30338694), (84, 25282245), (90, 23596762), (105, 20225796), (126, 16854830), (140, 15169347), (180, 11798381), (210, 10112898), (252, 8427415), (315, 6741932), (420, 5056449), (630, 3370966), (1260, 1685483)]