78883020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4339}}^1$

素因数の和:4455

約数の個数: 72

約数和(自身を含む): 241703280

約数和(自身を除く): 162820260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4339, 4545, 6060, 8678, 9090, 13017, 17356, 18180, 21695, 26034, 39051, 43390, 52068, 65085, 78102, 86780, 130170, 156204, 195255, 260340, 390510, 438239, 781020, 876478, 1314717, 1752956, 2191195, 2629434, 3944151, 4382390, 5258868, 6573585, 7888302, 8764780, 13147170, 15776604, 19720755, 26294340, 39441510, 78883020]

約数ペア:

[(1, 78883020), (2, 39441510), (3, 26294340), (4, 19720755), (5, 15776604), (6, 13147170), (9, 8764780), (10, 7888302), (12, 6573585), (15, 5258868), (18, 4382390), (20, 3944151), (30, 2629434), (36, 2191195), (45, 1752956), (60, 1314717), (90, 876478), (101, 781020), (180, 438239), (202, 390510), (303, 260340), (404, 195255), (505, 156204), (606, 130170), (909, 86780), (1010, 78102), (1212, 65085), (1515, 52068), (1818, 43390), (2020, 39051), (3030, 26034), (3636, 21695), (4339, 18180), (4545, 17356), (6060, 13017), (8678, 9090)]