90216990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1023

約数の個数: 80

約数和(自身を含む): 244772352

約数和(自身を除く): 154555362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 127, 135, 162, 254, 270, 381, 405, 635, 762, 810, 877, 1143, 1270, 1754, 1905, 2286, 2631, 3429, 3810, 4385, 5262, 5715, 6858, 7893, 8770, 10287, 11430, 13155, 15786, 17145, 20574, 23679, 26310, 34290, 39465, 47358, 51435, 71037, 78930, 102870, 111379, 118395, 142074, 222758, 236790, 334137, 355185, 556895, 668274, 710370, 1002411, 1113790, 1670685, 2004822, 3007233, 3341370, 5012055, 6014466, 9021699, 10024110, 15036165, 18043398, 30072330, 45108495, 90216990]

約数ペア:

[(1, 90216990), (2, 45108495), (3, 30072330), (5, 18043398), (6, 15036165), (9, 10024110), (10, 9021699), (15, 6014466), (18, 5012055), (27, 3341370), (30, 3007233), (45, 2004822), (54, 1670685), (81, 1113790), (90, 1002411), (127, 710370), (135, 668274), (162, 556895), (254, 355185), (270, 334137), (381, 236790), (405, 222758), (635, 142074), (762, 118395), (810, 111379), (877, 102870), (1143, 78930), (1270, 71037), (1754, 51435), (1905, 47358), (2286, 39465), (2631, 34290), (3429, 26310), (3810, 23679), (4385, 20574), (5262, 17145), (5715, 15786), (6858, 13155), (7893, 11430), (8770, 10287)]