28254420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 90012384

約数和(自身を除く): 61757964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 162, 163, 180, 214, 270, 321, 324, 326, 405, 428, 489, 535, 540, 642, 652, 810, 815, 963, 978, 1070, 1284, 1467, 1605, 1620, 1630, 1926, 1956, 2140, 2445, 2889, 2934, 3210, 3260, 3852, 4401, 4815, 4890, 5778, 5868, 6420, 7335, 8667, 8802, 9630, 9780, 11556, 13203, 14445, 14670, 17334, 17441, 17604, 19260, 22005, 26406, 28890, 29340, 34668, 34882, 43335, 44010, 52323, 52812, 57780, 66015, 69764, 86670, 87205, 88020, 104646, 132030, 156969, 173340, 174410, 209292, 261615, 264060, 313938, 348820, 470907, 523230, 627876, 784845, 941814, 1046460, 1412721, 1569690, 1883628, 2354535, 2825442, 3139380, 4709070, 5650884, 7063605, 9418140, 14127210, 28254420]

約数ペア:

[(1, 28254420), (2, 14127210), (3, 9418140), (4, 7063605), (5, 5650884), (6, 4709070), (9, 3139380), (10, 2825442), (12, 2354535), (15, 1883628), (18, 1569690), (20, 1412721), (27, 1046460), (30, 941814), (36, 784845), (45, 627876), (54, 523230), (60, 470907), (81, 348820), (90, 313938), (107, 264060), (108, 261615), (135, 209292), (162, 174410), (163, 173340), (180, 156969), (214, 132030), (270, 104646), (321, 88020), (324, 87205), (326, 86670), (405, 69764), (428, 66015), (489, 57780), (535, 52812), (540, 52323), (642, 44010), (652, 43335), (810, 34882), (815, 34668), (963, 29340), (978, 28890), (1070, 26406), (1284, 22005), (1467, 19260), (1605, 17604), (1620, 17441), (1630, 17334), (1926, 14670), (1956, 14445), (2140, 13203), (2445, 11556), (2889, 9780), (2934, 9630), (3210, 8802), (3260, 8667), (3852, 7335), (4401, 6420), (4815, 5868), (4890, 5778)]