78510420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25657}}^1$

素因数の和:25689

約数の個数: 72

約数和(自身を含む): 252166824

約数和(自身を除く): 173656404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 25657, 51314, 76971, 102628, 128285, 153942, 230913, 256570, 307884, 384855, 436169, 461826, 513140, 769710, 872338, 923652, 1154565, 1308507, 1539420, 1744676, 2180845, 2309130, 2617014, 3925521, 4361690, 4618260, 5234028, 6542535, 7851042, 8723380, 13085070, 15702084, 19627605, 26170140, 39255210, 78510420]

約数ペア:

[(1, 78510420), (2, 39255210), (3, 26170140), (4, 19627605), (5, 15702084), (6, 13085070), (9, 8723380), (10, 7851042), (12, 6542535), (15, 5234028), (17, 4618260), (18, 4361690), (20, 3925521), (30, 2617014), (34, 2309130), (36, 2180845), (45, 1744676), (51, 1539420), (60, 1308507), (68, 1154565), (85, 923652), (90, 872338), (102, 769710), (153, 513140), (170, 461826), (180, 436169), (204, 384855), (255, 307884), (306, 256570), (340, 230913), (510, 153942), (612, 128285), (765, 102628), (1020, 76971), (1530, 51314), (3060, 25657)]