81780272

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 192844800

約数和(自身を除く): 111064528

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 53, 56, 92, 106, 112, 161, 184, 212, 322, 368, 371, 424, 599, 644, 742, 848, 1198, 1219, 1288, 1484, 2396, 2438, 2576, 2968, 4193, 4792, 4876, 5936, 8386, 8533, 9584, 9752, 13777, 16772, 17066, 19504, 27554, 31747, 33544, 34132, 55108, 63494, 67088, 68264, 96439, 110216, 126988, 136528, 192878, 220432, 222229, 253976, 385756, 444458, 507952, 730181, 771512, 888916, 1460362, 1543024, 1777832, 2920724, 3555664, 5111267, 5841448, 10222534, 11682896, 20445068, 40890136, 81780272]

約数ペア:

[(1, 81780272), (2, 40890136), (4, 20445068), (7, 11682896), (8, 10222534), (14, 5841448), (16, 5111267), (23, 3555664), (28, 2920724), (46, 1777832), (53, 1543024), (56, 1460362), (92, 888916), (106, 771512), (112, 730181), (161, 507952), (184, 444458), (212, 385756), (322, 253976), (368, 222229), (371, 220432), (424, 192878), (599, 136528), (644, 126988), (742, 110216), (848, 96439), (1198, 68264), (1219, 67088), (1288, 63494), (1484, 55108), (2396, 34132), (2438, 33544), (2576, 31747), (2968, 27554), (4193, 19504), (4792, 17066), (4876, 16772), (5936, 13777), (8386, 9752), (8533, 9584)]