74998880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1060

約数の個数: 96

約数和(自身を含む): 197987328

約数和(自身を除く): 122988448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 991, 1376, 1720, 1760, 1892, 1982, 2365, 3440, 3784, 3964, 4730, 4955, 6880, 7568, 7928, 9460, 9910, 10901, 15136, 15856, 18920, 19820, 21802, 31712, 37840, 39640, 42613, 43604, 54505, 75680, 79280, 85226, 87208, 109010, 158560, 170452, 174416, 213065, 218020, 340904, 348832, 426130, 436040, 468743, 681808, 852260, 872080, 937486, 1363616, 1704520, 1744160, 1874972, 2343715, 3409040, 3749944, 4687430, 6818080, 7499888, 9374860, 14999776, 18749720, 37499440, 74998880]

約数ペア:

[(1, 74998880), (2, 37499440), (4, 18749720), (5, 14999776), (8, 9374860), (10, 7499888), (11, 6818080), (16, 4687430), (20, 3749944), (22, 3409040), (32, 2343715), (40, 1874972), (43, 1744160), (44, 1704520), (55, 1363616), (80, 937486), (86, 872080), (88, 852260), (110, 681808), (160, 468743), (172, 436040), (176, 426130), (215, 348832), (220, 340904), (344, 218020), (352, 213065), (430, 174416), (440, 170452), (473, 158560), (688, 109010), (860, 87208), (880, 85226), (946, 79280), (991, 75680), (1376, 54505), (1720, 43604), (1760, 42613), (1892, 39640), (1982, 37840), (2365, 31712), (3440, 21802), (3784, 19820), (3964, 18920), (4730, 15856), (4955, 15136), (6880, 10901), (7568, 9910), (7928, 9460)]