78734820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77191}}^1$

素因数の和:77220

約数の個数: 48

約数和(自身を含む): 233428608

約数和(自身を除く): 154693788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 77191, 154382, 231573, 308764, 385955, 463146, 771910, 926292, 1157865, 1312247, 1543820, 2315730, 2624494, 3936741, 4631460, 5248988, 6561235, 7873482, 13122470, 15746964, 19683705, 26244940, 39367410, 78734820]

約数ペア:

[(1, 78734820), (2, 39367410), (3, 26244940), (4, 19683705), (5, 15746964), (6, 13122470), (10, 7873482), (12, 6561235), (15, 5248988), (17, 4631460), (20, 3936741), (30, 2624494), (34, 2315730), (51, 1543820), (60, 1312247), (68, 1157865), (85, 926292), (102, 771910), (170, 463146), (204, 385955), (255, 308764), (340, 231573), (510, 154382), (1020, 77191)]