78396880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 192201984

約数和(自身を除く): 113805104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 137, 184, 230, 274, 311, 368, 460, 548, 622, 685, 920, 1096, 1244, 1370, 1555, 1840, 2192, 2488, 2740, 3110, 3151, 4976, 5480, 6220, 6302, 7153, 10960, 12440, 12604, 14306, 15755, 24880, 25208, 28612, 31510, 35765, 42607, 50416, 57224, 63020, 71530, 85214, 114448, 126040, 143060, 170428, 213035, 252080, 286120, 340856, 426070, 572240, 681712, 852140, 979961, 1704280, 1959922, 3408560, 3919844, 4899805, 7839688, 9799610, 15679376, 19599220, 39198440, 78396880]

約数ペア:

[(1, 78396880), (2, 39198440), (4, 19599220), (5, 15679376), (8, 9799610), (10, 7839688), (16, 4899805), (20, 3919844), (23, 3408560), (40, 1959922), (46, 1704280), (80, 979961), (92, 852140), (115, 681712), (137, 572240), (184, 426070), (230, 340856), (274, 286120), (311, 252080), (368, 213035), (460, 170428), (548, 143060), (622, 126040), (685, 114448), (920, 85214), (1096, 71530), (1244, 63020), (1370, 57224), (1555, 50416), (1840, 42607), (2192, 35765), (2488, 31510), (2740, 28612), (3110, 25208), (3151, 24880), (4976, 15755), (5480, 14306), (6220, 12604), (6302, 12440), (7153, 10960)]