81381780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{150707}}^1$

素因数の和:150725

約数の個数: 48

約数和(自身を含む): 253189440

約数和(自身を除く): 171807660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 150707, 301414, 452121, 602828, 753535, 904242, 1356363, 1507070, 1808484, 2260605, 2712726, 3014140, 4069089, 4521210, 5425452, 6781815, 8138178, 9042420, 13563630, 16276356, 20345445, 27127260, 40690890, 81381780]

約数ペア:

[(1, 81381780), (2, 40690890), (3, 27127260), (4, 20345445), (5, 16276356), (6, 13563630), (9, 9042420), (10, 8138178), (12, 6781815), (15, 5425452), (18, 4521210), (20, 4069089), (27, 3014140), (30, 2712726), (36, 2260605), (45, 1808484), (54, 1507070), (60, 1356363), (90, 904242), (108, 753535), (135, 602828), (180, 452121), (270, 301414), (540, 150707)]