76800420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{142223}}^1$

素因数の和:142241

約数の個数: 48

約数和(自身を含む): 238936320

約数和(自身を除く): 162135900

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, 142223, 284446, 426669, 568892, 711115, 853338, 1280007, 1422230, 1706676, 2133345, 2560014, 2844460, 3840021, 4266690, 5120028, 6400035, 7680042, 8533380, 12800070, 15360084, 19200105, 25600140, 38400210, 76800420]

約数ペア:

[(1, 76800420), (2, 38400210), (3, 25600140), (4, 19200105), (5, 15360084), (6, 12800070), (9, 8533380), (10, 7680042), (12, 6400035), (15, 5120028), (18, 4266690), (20, 3840021), (27, 2844460), (30, 2560014), (36, 2133345), (45, 1706676), (54, 1422230), (60, 1280007), (90, 853338), (108, 711115), (135, 568892), (180, 426669), (270, 284446), (540, 142223)]