1991192940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{91423}}^1$

素因数の和:91460

約数の個数: 108

約数和(自身を含む): 6639028032

約数和(自身を除く): 4647835092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 21780, 91423, 182846, 274269, 365692, 457115, 548538, 822807, 914230, 1005653, 1097076, 1371345, 1645614, 1828460, 2011306, 2742690, 3016959, 3291228, 4022612, 4114035, 5028265, 5485380, 6033918, 8228070, 9050877, 10056530, 11062183, 12067836, 15084795, 16456140, 18101754, 20113060, 22124366, 30169590, 33186549, 36203508, 44248732, 45254385, 55310915, 60339180, 66373098, 90508770, 99559647, 110621830, 132746196, 165932745, 181017540, 199119294, 221243660, 331865490, 398238588, 497798235, 663730980, 995596470, 1991192940]

約数ペア:

[(1, 1991192940), (2, 995596470), (3, 663730980), (4, 497798235), (5, 398238588), (6, 331865490), (9, 221243660), (10, 199119294), (11, 181017540), (12, 165932745), (15, 132746196), (18, 110621830), (20, 99559647), (22, 90508770), (30, 66373098), (33, 60339180), (36, 55310915), (44, 45254385), (45, 44248732), (55, 36203508), (60, 33186549), (66, 30169590), (90, 22124366), (99, 20113060), (110, 18101754), (121, 16456140), (132, 15084795), (165, 12067836), (180, 11062183), (198, 10056530), (220, 9050877), (242, 8228070), (330, 6033918), (363, 5485380), (396, 5028265), (484, 4114035), (495, 4022612), (605, 3291228), (660, 3016959), (726, 2742690), (990, 2011306), (1089, 1828460), (1210, 1645614), (1452, 1371345), (1815, 1097076), (1980, 1005653), (2178, 914230), (2420, 822807), (3630, 548538), (4356, 457115), (5445, 365692), (7260, 274269), (10890, 182846), (21780, 91423)]