78401640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13901}}^1$

素因数の和:13962

約数の個数: 64

約数和(自身を含む): 240226560

約数和(自身を除く): 161824920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 13901, 27802, 41703, 55604, 69505, 83406, 111208, 139010, 166812, 208515, 278020, 333624, 417030, 556040, 653347, 834060, 1306694, 1668120, 1960041, 2613388, 3266735, 3920082, 5226776, 6533470, 7840164, 9800205, 13066940, 15680328, 19600410, 26133880, 39200820, 78401640]

約数ペア:

[(1, 78401640), (2, 39200820), (3, 26133880), (4, 19600410), (5, 15680328), (6, 13066940), (8, 9800205), (10, 7840164), (12, 6533470), (15, 5226776), (20, 3920082), (24, 3266735), (30, 2613388), (40, 1960041), (47, 1668120), (60, 1306694), (94, 834060), (120, 653347), (141, 556040), (188, 417030), (235, 333624), (282, 278020), (376, 208515), (470, 166812), (564, 139010), (705, 111208), (940, 83406), (1128, 69505), (1410, 55604), (1880, 41703), (2820, 27802), (5640, 13901)]