78409320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 258785280

約数和(自身を除く): 180375960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 191, 220, 264, 311, 330, 382, 440, 573, 622, 660, 764, 933, 955, 1146, 1244, 1320, 1528, 1555, 1866, 1910, 2101, 2292, 2488, 2865, 3110, 3421, 3732, 3820, 4202, 4584, 4665, 5730, 6220, 6303, 6842, 7464, 7640, 8404, 9330, 10263, 10505, 11460, 12440, 12606, 13684, 16808, 17105, 18660, 20526, 21010, 22920, 25212, 27368, 31515, 34210, 37320, 41052, 42020, 50424, 51315, 59401, 63030, 68420, 82104, 84040, 102630, 118802, 126060, 136840, 178203, 205260, 237604, 252120, 297005, 356406, 410520, 475208, 594010, 653411, 712812, 891015, 1188020, 1306822, 1425624, 1782030, 1960233, 2376040, 2613644, 3267055, 3564060, 3920466, 5227288, 6534110, 7128120, 7840932, 9801165, 13068220, 15681864, 19602330, 26136440, 39204660, 78409320]

約数ペア:

[(1, 78409320), (2, 39204660), (3, 26136440), (4, 19602330), (5, 15681864), (6, 13068220), (8, 9801165), (10, 7840932), (11, 7128120), (12, 6534110), (15, 5227288), (20, 3920466), (22, 3564060), (24, 3267055), (30, 2613644), (33, 2376040), (40, 1960233), (44, 1782030), (55, 1425624), (60, 1306822), (66, 1188020), (88, 891015), (110, 712812), (120, 653411), (132, 594010), (165, 475208), (191, 410520), (220, 356406), (264, 297005), (311, 252120), (330, 237604), (382, 205260), (440, 178203), (573, 136840), (622, 126060), (660, 118802), (764, 102630), (933, 84040), (955, 82104), (1146, 68420), (1244, 63030), (1320, 59401), (1528, 51315), (1555, 50424), (1866, 42020), (1910, 41052), (2101, 37320), (2292, 34210), (2488, 31515), (2865, 27368), (3110, 25212), (3421, 22920), (3732, 21010), (3820, 20526), (4202, 18660), (4584, 17105), (4665, 16808), (5730, 13684), (6220, 12606), (6303, 12440), (6842, 11460), (7464, 10505), (7640, 10263), (8404, 9330)]