340473420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{270217}}^1$

素因数の和:270239

約数の個数: 72

約数和(自身を含む): 1180312224

約数和(自身を除く): 839838804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 270217, 540434, 810651, 1080868, 1351085, 1621302, 1891519, 2431953, 2702170, 3242604, 3783038, 4053255, 4863906, 5404340, 5674557, 7566076, 8106510, 9457595, 9727812, 11349114, 12159765, 16213020, 17023671, 18915190, 22698228, 24319530, 28372785, 34047342, 37830380, 48639060, 56745570, 68094684, 85118355, 113491140, 170236710, 340473420]

約数ペア:

[(1, 340473420), (2, 170236710), (3, 113491140), (4, 85118355), (5, 68094684), (6, 56745570), (7, 48639060), (9, 37830380), (10, 34047342), (12, 28372785), (14, 24319530), (15, 22698228), (18, 18915190), (20, 17023671), (21, 16213020), (28, 12159765), (30, 11349114), (35, 9727812), (36, 9457595), (42, 8106510), (45, 7566076), (60, 5674557), (63, 5404340), (70, 4863906), (84, 4053255), (90, 3783038), (105, 3242604), (126, 2702170), (140, 2431953), (180, 1891519), (210, 1621302), (252, 1351085), (315, 1080868), (420, 810651), (630, 540434), (1260, 270217)]