86640680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8363}}^1$

素因数の和:8418

約数の個数: 64

約数和(自身を含む): 228839040

約数和(自身を除く): 142198360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 8363, 10360, 16726, 33452, 41815, 58541, 66904, 83630, 117082, 167260, 234164, 292705, 309431, 334520, 468328, 585410, 618862, 1170820, 1237724, 1547155, 2166017, 2341640, 2475448, 3094310, 4332034, 6188620, 8664068, 10830085, 12377240, 17328136, 21660170, 43320340, 86640680]

約数ペア:

[(1, 86640680), (2, 43320340), (4, 21660170), (5, 17328136), (7, 12377240), (8, 10830085), (10, 8664068), (14, 6188620), (20, 4332034), (28, 3094310), (35, 2475448), (37, 2341640), (40, 2166017), (56, 1547155), (70, 1237724), (74, 1170820), (140, 618862), (148, 585410), (185, 468328), (259, 334520), (280, 309431), (296, 292705), (370, 234164), (518, 167260), (740, 117082), (1036, 83630), (1295, 66904), (1480, 58541), (2072, 41815), (2590, 33452), (5180, 16726), (8363, 10360)]