80404920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{74449}}^1$

素因数の和:74469

約数の個数: 64

約数和(自身を含む): 268020000

約数和(自身を除く): 187615080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 74449, 148898, 223347, 297796, 372245, 446694, 595592, 670041, 744490, 893388, 1116735, 1340082, 1488980, 1786776, 2010123, 2233470, 2680164, 2977960, 3350205, 4020246, 4466940, 5360328, 6700410, 8040492, 8933880, 10050615, 13400820, 16080984, 20101230, 26801640, 40202460, 80404920]

約数ペア:

[(1, 80404920), (2, 40202460), (3, 26801640), (4, 20101230), (5, 16080984), (6, 13400820), (8, 10050615), (9, 8933880), (10, 8040492), (12, 6700410), (15, 5360328), (18, 4466940), (20, 4020246), (24, 3350205), (27, 2977960), (30, 2680164), (36, 2233470), (40, 2010123), (45, 1786776), (54, 1488980), (60, 1340082), (72, 1116735), (90, 893388), (108, 744490), (120, 670041), (135, 595592), (180, 446694), (216, 372245), (270, 297796), (360, 223347), (540, 148898), (1080, 74449)]