20175132840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1\times {\mathrm{7019}}^1$

素因数の和:8459

約数の個数: 128

約数和(自身を含む): 64140336000

約数和(自身を除く): 43965203160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 1409, 2040, 2818, 4227, 5636, 7019, 7045, 8454, 11272, 14038, 14090, 16908, 21057, 21135, 23953, 28076, 28180, 33816, 35095, 42114, 42270, 47906, 56152, 56360, 70190, 71859, 84228, 84540, 95812, 105285, 119323, 119765, 140380, 143718, 168456, 169080, 191624, 210570, 238646, 239530, 280760, 287436, 357969, 359295, 421140, 477292, 479060, 574872, 596615, 715938, 718590, 842280, 954584, 958120, 1193230, 1431876, 1437180, 1789845, 2386460, 2863752, 2874360, 3579690, 4772920, 7159380, 9889771, 14318760, 19779542, 29669313, 39559084, 49448855, 59338626, 79118168, 98897710, 118677252, 148346565, 168126107, 197795420, 237354504, 296693130, 336252214, 395590840, 504378321, 593386260, 672504428, 840630535, 1008756642, 1186772520, 1345008856, 1681261070, 2017513284, 2521891605, 3362522140, 4035026568, 5043783210, 6725044280, 10087566420, 20175132840]

約数ペア:

[(1, 20175132840), (2, 10087566420), (3, 6725044280), (4, 5043783210), (5, 4035026568), (6, 3362522140), (8, 2521891605), (10, 2017513284), (12, 1681261070), (15, 1345008856), (17, 1186772520), (20, 1008756642), (24, 840630535), (30, 672504428), (34, 593386260), (40, 504378321), (51, 395590840), (60, 336252214), (68, 296693130), (85, 237354504), (102, 197795420), (120, 168126107), (136, 148346565), (170, 118677252), (204, 98897710), (255, 79118168), (340, 59338626), (408, 49448855), (510, 39559084), (680, 29669313), (1020, 19779542), (1409, 14318760), (2040, 9889771), (2818, 7159380), (4227, 4772920), (5636, 3579690), (7019, 2874360), (7045, 2863752), (8454, 2386460), (11272, 1789845), (14038, 1437180), (14090, 1431876), (16908, 1193230), (21057, 958120), (21135, 954584), (23953, 842280), (28076, 718590), (28180, 715938), (33816, 596615), (35095, 574872), (42114, 479060), (42270, 477292), (47906, 421140), (56152, 359295), (56360, 357969), (70190, 287436), (71859, 280760), (84228, 239530), (84540, 238646), (95812, 210570), (105285, 191624), (119323, 169080), (119765, 168456), (140380, 143718)]