2021619040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{78479}}^1$

素因数の和:78524

約数の個数: 96

約数和(自身を含む): 5695764480

約数和(自身を除く): 3674145440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 5152, 6440, 12880, 25760, 78479, 156958, 313916, 392395, 549353, 627832, 784790, 1098706, 1255664, 1569580, 1805017, 2197412, 2511328, 2746765, 3139160, 3610034, 4394824, 5493530, 6278320, 7220068, 8789648, 9025085, 10987060, 12556640, 12635119, 14440136, 17579296, 18050170, 21974120, 25270238, 28880272, 36100340, 43948240, 50540476, 57760544, 63175595, 72200680, 87896480, 101080952, 126351190, 144401360, 202161904, 252702380, 288802720, 404323808, 505404760, 1010809520, 2021619040]

約数ペア:

[(1, 2021619040), (2, 1010809520), (4, 505404760), (5, 404323808), (7, 288802720), (8, 252702380), (10, 202161904), (14, 144401360), (16, 126351190), (20, 101080952), (23, 87896480), (28, 72200680), (32, 63175595), (35, 57760544), (40, 50540476), (46, 43948240), (56, 36100340), (70, 28880272), (80, 25270238), (92, 21974120), (112, 18050170), (115, 17579296), (140, 14440136), (160, 12635119), (161, 12556640), (184, 10987060), (224, 9025085), (230, 8789648), (280, 7220068), (322, 6278320), (368, 5493530), (460, 4394824), (560, 3610034), (644, 3139160), (736, 2746765), (805, 2511328), (920, 2197412), (1120, 1805017), (1288, 1569580), (1610, 1255664), (1840, 1098706), (2576, 784790), (3220, 627832), (3680, 549353), (5152, 392395), (6440, 313916), (12880, 156958), (25760, 78479)]