68754320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 165553392

約数和(自身を除く): 96799072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 73, 80, 122, 146, 193, 244, 292, 305, 365, 386, 488, 584, 610, 730, 772, 965, 976, 1168, 1220, 1460, 1544, 1930, 2440, 2920, 3088, 3860, 4453, 4880, 5840, 7720, 8906, 11773, 14089, 15440, 17812, 22265, 23546, 28178, 35624, 44530, 47092, 56356, 58865, 70445, 71248, 89060, 94184, 112712, 117730, 140890, 178120, 188368, 225424, 235460, 281780, 356240, 470920, 563560, 859429, 941840, 1127120, 1718858, 3437716, 4297145, 6875432, 8594290, 13750864, 17188580, 34377160, 68754320]

約数ペア:

[(1, 68754320), (2, 34377160), (4, 17188580), (5, 13750864), (8, 8594290), (10, 6875432), (16, 4297145), (20, 3437716), (40, 1718858), (61, 1127120), (73, 941840), (80, 859429), (122, 563560), (146, 470920), (193, 356240), (244, 281780), (292, 235460), (305, 225424), (365, 188368), (386, 178120), (488, 140890), (584, 117730), (610, 112712), (730, 94184), (772, 89060), (965, 71248), (976, 70445), (1168, 58865), (1220, 56356), (1460, 47092), (1544, 44530), (1930, 35624), (2440, 28178), (2920, 23546), (3088, 22265), (3860, 17812), (4453, 15440), (4880, 14089), (5840, 11773), (7720, 8906)]