81344480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1231}}^1$

素因数の和:1312

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 142189600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1120, 1180, 1231, 1652, 1888, 2065, 2360, 2462, 3304, 4130, 4720, 4924, 6155, 6608, 8260, 8617, 9440, 9848, 12310, 13216, 16520, 17234, 19696, 24620, 33040, 34468, 39392, 43085, 49240, 66080, 68936, 72629, 86170, 98480, 137872, 145258, 172340, 196960, 275744, 290516, 344680, 363145, 508403, 581032, 689360, 726290, 1016806, 1162064, 1378720, 1452580, 2033612, 2324128, 2542015, 2905160, 4067224, 5084030, 5810320, 8134448, 10168060, 11620640, 16268896, 20336120, 40672240, 81344480]

約数ペア:

[(1, 81344480), (2, 40672240), (4, 20336120), (5, 16268896), (7, 11620640), (8, 10168060), (10, 8134448), (14, 5810320), (16, 5084030), (20, 4067224), (28, 2905160), (32, 2542015), (35, 2324128), (40, 2033612), (56, 1452580), (59, 1378720), (70, 1162064), (80, 1016806), (112, 726290), (118, 689360), (140, 581032), (160, 508403), (224, 363145), (236, 344680), (280, 290516), (295, 275744), (413, 196960), (472, 172340), (560, 145258), (590, 137872), (826, 98480), (944, 86170), (1120, 72629), (1180, 68936), (1231, 66080), (1652, 49240), (1888, 43085), (2065, 39392), (2360, 34468), (2462, 33040), (3304, 24620), (4130, 19696), (4720, 17234), (4924, 16520), (6155, 13216), (6608, 12310), (8260, 9848), (8617, 9440)]