78883920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{331}}^2$

素因数の和:681

約数の個数: 90

約数和(自身を含む): 265721274

約数和(自身を除く): 186837354

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 331, 360, 662, 720, 993, 1324, 1655, 1986, 2648, 2979, 3310, 3972, 4965, 5296, 5958, 6620, 7944, 9930, 11916, 13240, 14895, 15888, 19860, 23832, 26480, 29790, 39720, 47664, 59580, 79440, 109561, 119160, 219122, 238320, 328683, 438244, 547805, 657366, 876488, 986049, 1095610, 1314732, 1643415, 1752976, 1972098, 2191220, 2629464, 3286830, 3944196, 4382440, 4930245, 5258928, 6573660, 7888392, 8764880, 9860490, 13147320, 15776784, 19720980, 26294640, 39441960, 78883920]

約数ペア:

[(1, 78883920), (2, 39441960), (3, 26294640), (4, 19720980), (5, 15776784), (6, 13147320), (8, 9860490), (9, 8764880), (10, 7888392), (12, 6573660), (15, 5258928), (16, 4930245), (18, 4382440), (20, 3944196), (24, 3286830), (30, 2629464), (36, 2191220), (40, 1972098), (45, 1752976), (48, 1643415), (60, 1314732), (72, 1095610), (80, 986049), (90, 876488), (120, 657366), (144, 547805), (180, 438244), (240, 328683), (331, 238320), (360, 219122), (662, 119160), (720, 109561), (993, 79440), (1324, 59580), (1655, 47664), (1986, 39720), (2648, 29790), (2979, 26480), (3310, 23832), (3972, 19860), (4965, 15888), (5296, 14895), (5958, 13240), (6620, 11916), (7944, 9930)]