80265780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63703}}^1$

素因数の和:63725

約数の個数: 72

約数和(自身を含む): 278259072

約数和(自身を除く): 197993292

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, 63703, 127406, 191109, 254812, 318515, 382218, 445921, 573327, 637030, 764436, 891842, 955545, 1146654, 1274060, 1337763, 1783684, 1911090, 2229605, 2293308, 2675526, 2866635, 3822180, 4013289, 4459210, 5351052, 5733270, 6688815, 8026578, 8918420, 11466540, 13377630, 16053156, 20066445, 26755260, 40132890, 80265780]

約数ペア:

[(1, 80265780), (2, 40132890), (3, 26755260), (4, 20066445), (5, 16053156), (6, 13377630), (7, 11466540), (9, 8918420), (10, 8026578), (12, 6688815), (14, 5733270), (15, 5351052), (18, 4459210), (20, 4013289), (21, 3822180), (28, 2866635), (30, 2675526), (35, 2293308), (36, 2229605), (42, 1911090), (45, 1783684), (60, 1337763), (63, 1274060), (70, 1146654), (84, 955545), (90, 891842), (105, 764436), (126, 637030), (140, 573327), (180, 445921), (210, 382218), (252, 318515), (315, 254812), (420, 191109), (630, 127406), (1260, 63703)]