77289920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 112

約数和(自身を含む): 194328288

約数和(自身を除く): 117038368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 64, 80, 82, 86, 137, 160, 164, 172, 205, 215, 274, 320, 328, 344, 410, 430, 548, 656, 685, 688, 820, 860, 1096, 1312, 1370, 1376, 1640, 1720, 1763, 2192, 2624, 2740, 2752, 3280, 3440, 3526, 4384, 5480, 5617, 5891, 6560, 6880, 7052, 8768, 8815, 10960, 11234, 11782, 13120, 13760, 14104, 17630, 21920, 22468, 23564, 28085, 28208, 29455, 35260, 43840, 44936, 47128, 56170, 56416, 58910, 70520, 89872, 94256, 112340, 112832, 117820, 141040, 179744, 188512, 224680, 235640, 241531, 282080, 359488, 377024, 449360, 471280, 483062, 564160, 898720, 942560, 966124, 1207655, 1797440, 1885120, 1932248, 2415310, 3864496, 4830620, 7728992, 9661240, 15457984, 19322480, 38644960, 77289920]

約数ペア:

[(1, 77289920), (2, 38644960), (4, 19322480), (5, 15457984), (8, 9661240), (10, 7728992), (16, 4830620), (20, 3864496), (32, 2415310), (40, 1932248), (41, 1885120), (43, 1797440), (64, 1207655), (80, 966124), (82, 942560), (86, 898720), (137, 564160), (160, 483062), (164, 471280), (172, 449360), (205, 377024), (215, 359488), (274, 282080), (320, 241531), (328, 235640), (344, 224680), (410, 188512), (430, 179744), (548, 141040), (656, 117820), (685, 112832), (688, 112340), (820, 94256), (860, 89872), (1096, 70520), (1312, 58910), (1370, 56416), (1376, 56170), (1640, 47128), (1720, 44936), (1763, 43840), (2192, 35260), (2624, 29455), (2740, 28208), (2752, 28085), (3280, 23564), (3440, 22468), (3526, 21920), (4384, 17630), (5480, 14104), (5617, 13760), (5891, 13120), (6560, 11782), (6880, 11234), (7052, 10960), (8768, 8815)]