81491610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6983}}^1$

素因数の和:7382

約数の個数: 32

約数和(自身を含む): 196110720

約数和(自身を除く): 114619110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1945, 2334, 3890, 5835, 6983, 11670, 13966, 20949, 34915, 41898, 69830, 104745, 209490, 2716387, 5432774, 8149161, 13581935, 16298322, 27163870, 40745805, 81491610]

約数ペア:

[(1, 81491610), (2, 40745805), (3, 27163870), (5, 16298322), (6, 13581935), (10, 8149161), (15, 5432774), (30, 2716387), (389, 209490), (778, 104745), (1167, 69830), (1945, 41898), (2334, 34915), (3890, 20949), (5835, 13966), (6983, 11670)]