78836820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77291}}^1$

素因数の和:77320

約数の個数: 48

約数和(自身を含む): 233731008

約数和(自身を除く): 154894188

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, 77291, 154582, 231873, 309164, 386455, 463746, 772910, 927492, 1159365, 1313947, 1545820, 2318730, 2627894, 3941841, 4637460, 5255788, 6569735, 7883682, 13139470, 15767364, 19709205, 26278940, 39418410, 78836820]

約数ペア:

[(1, 78836820), (2, 39418410), (3, 26278940), (4, 19709205), (5, 15767364), (6, 13139470), (10, 7883682), (12, 6569735), (15, 5255788), (17, 4637460), (20, 3941841), (30, 2627894), (34, 2318730), (51, 1545820), (60, 1313947), (68, 1159365), (85, 927492), (102, 772910), (170, 463746), (204, 386455), (255, 309164), (340, 231873), (510, 154582), (1020, 77291)]