63408940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 156854880

約数和(自身を除く): 93445940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 727, 890, 980, 1246, 1454, 1780, 2492, 2908, 3115, 3635, 4361, 5089, 6230, 7270, 8722, 10178, 12460, 14540, 17444, 20356, 21805, 25445, 35623, 43610, 50890, 64703, 71246, 87220, 101780, 129406, 142492, 178115, 258812, 323515, 356230, 452921, 647030, 712460, 905842, 1294060, 1811684, 2264605, 3170447, 4529210, 6340894, 9058420, 12681788, 15852235, 31704470, 63408940]

約数ペア:

[(1, 63408940), (2, 31704470), (4, 15852235), (5, 12681788), (7, 9058420), (10, 6340894), (14, 4529210), (20, 3170447), (28, 2264605), (35, 1811684), (49, 1294060), (70, 905842), (89, 712460), (98, 647030), (140, 452921), (178, 356230), (196, 323515), (245, 258812), (356, 178115), (445, 142492), (490, 129406), (623, 101780), (727, 87220), (890, 71246), (980, 64703), (1246, 50890), (1454, 43610), (1780, 35623), (2492, 25445), (2908, 21805), (3115, 20356), (3635, 17444), (4361, 14540), (5089, 12460), (6230, 10178), (7270, 8722)]