155588080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{491}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 385448544

約数和(自身を除く): 229860464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 233, 272, 340, 466, 491, 680, 932, 982, 1165, 1360, 1864, 1964, 2330, 2455, 3728, 3928, 3961, 4660, 4910, 7856, 7922, 8347, 9320, 9820, 15844, 16694, 18640, 19640, 19805, 31688, 33388, 39280, 39610, 41735, 63376, 66776, 79220, 83470, 114403, 133552, 158440, 166940, 228806, 316880, 333880, 457612, 572015, 667760, 915224, 1144030, 1830448, 1944851, 2288060, 3889702, 4576120, 7779404, 9152240, 9724255, 15558808, 19448510, 31117616, 38897020, 77794040, 155588080]

約数ペア:

[(1, 155588080), (2, 77794040), (4, 38897020), (5, 31117616), (8, 19448510), (10, 15558808), (16, 9724255), (17, 9152240), (20, 7779404), (34, 4576120), (40, 3889702), (68, 2288060), (80, 1944851), (85, 1830448), (136, 1144030), (170, 915224), (233, 667760), (272, 572015), (340, 457612), (466, 333880), (491, 316880), (680, 228806), (932, 166940), (982, 158440), (1165, 133552), (1360, 114403), (1864, 83470), (1964, 79220), (2330, 66776), (2455, 63376), (3728, 41735), (3928, 39610), (3961, 39280), (4660, 33388), (4910, 31688), (7856, 19805), (7922, 19640), (8347, 18640), (9320, 16694), (9820, 15844)]