78289880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3323}}^1$

素因数の和:3384

約数の個数: 64

約数和(自身を含む): 191462400

約数和(自身を除く): 113172520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 3323, 4712, 5890, 6646, 11780, 13292, 16615, 23560, 26584, 33230, 63137, 66460, 103013, 126274, 132920, 206026, 252548, 315685, 412052, 505096, 515065, 631370, 824104, 1030130, 1262740, 1957247, 2060260, 2525480, 3914494, 4120520, 7828988, 9786235, 15657976, 19572470, 39144940, 78289880]

約数ペア:

[(1, 78289880), (2, 39144940), (4, 19572470), (5, 15657976), (8, 9786235), (10, 7828988), (19, 4120520), (20, 3914494), (31, 2525480), (38, 2060260), (40, 1957247), (62, 1262740), (76, 1030130), (95, 824104), (124, 631370), (152, 515065), (155, 505096), (190, 412052), (248, 315685), (310, 252548), (380, 206026), (589, 132920), (620, 126274), (760, 103013), (1178, 66460), (1240, 63137), (2356, 33230), (2945, 26584), (3323, 23560), (4712, 16615), (5890, 13292), (6646, 11780)]