1338398640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{206543}}^1$

素因数の和:206568

約数の個数: 100

約数和(自身を含む): 4648479264

約数和(自身を除く): 3310080624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 206543, 413086, 619629, 826172, 1032715, 1239258, 1652344, 1858887, 2065430, 2478516, 3098145, 3304688, 3717774, 4130860, 4957032, 5576661, 6196290, 7435548, 8261720, 9294435, 9914064, 11153322, 12392580, 14871096, 16523440, 16729983, 18588870, 22306644, 24785160, 27883305, 29742192, 33459966, 37177740, 44613288, 49570320, 55766610, 66919932, 74355480, 83649915, 89226576, 111533220, 133839864, 148710960, 167299830, 223066440, 267679728, 334599660, 446132880, 669199320, 1338398640]

約数ペア:

[(1, 1338398640), (2, 669199320), (3, 446132880), (4, 334599660), (5, 267679728), (6, 223066440), (8, 167299830), (9, 148710960), (10, 133839864), (12, 111533220), (15, 89226576), (16, 83649915), (18, 74355480), (20, 66919932), (24, 55766610), (27, 49570320), (30, 44613288), (36, 37177740), (40, 33459966), (45, 29742192), (48, 27883305), (54, 24785160), (60, 22306644), (72, 18588870), (80, 16729983), (81, 16523440), (90, 14871096), (108, 12392580), (120, 11153322), (135, 9914064), (144, 9294435), (162, 8261720), (180, 7435548), (216, 6196290), (240, 5576661), (270, 4957032), (324, 4130860), (360, 3717774), (405, 3304688), (432, 3098145), (540, 2478516), (648, 2065430), (720, 1858887), (810, 1652344), (1080, 1239258), (1296, 1032715), (1620, 826172), (2160, 619629), (3240, 413086), (6480, 206543)]