82605460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 204228864

約数和(自身を除く): 121623404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 431, 518, 740, 862, 1036, 1295, 1369, 1724, 2155, 2590, 2738, 3017, 4310, 5180, 5476, 6034, 6845, 8620, 9583, 12068, 13690, 15085, 15947, 19166, 27380, 30170, 31894, 38332, 47915, 60340, 63788, 79735, 95830, 111629, 159470, 191660, 223258, 318940, 446516, 558145, 590039, 1116290, 1180078, 2232580, 2360156, 2950195, 4130273, 5900390, 8260546, 11800780, 16521092, 20651365, 41302730, 82605460]

約数ペア:

[(1, 82605460), (2, 41302730), (4, 20651365), (5, 16521092), (7, 11800780), (10, 8260546), (14, 5900390), (20, 4130273), (28, 2950195), (35, 2360156), (37, 2232580), (70, 1180078), (74, 1116290), (140, 590039), (148, 558145), (185, 446516), (259, 318940), (370, 223258), (431, 191660), (518, 159470), (740, 111629), (862, 95830), (1036, 79735), (1295, 63788), (1369, 60340), (1724, 47915), (2155, 38332), (2590, 31894), (2738, 30170), (3017, 27380), (4310, 19166), (5180, 15947), (5476, 15085), (6034, 13690), (6845, 12068), (8620, 9583)]