80447328

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21487}}^1$

素因数の和:21516

約数の個数: 72

約数和(自身を含む): 246381408

約数和(自身を除く): 165934080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 21487, 42974, 64461, 85948, 128922, 171896, 193383, 257844, 279331, 343792, 386766, 515688, 558662, 687584, 773532, 837993, 1031376, 1117324, 1547064, 1675986, 2062752, 2234648, 2513979, 3094128, 3351972, 4469296, 5027958, 6188256, 6703944, 8938592, 10055916, 13407888, 20111832, 26815776, 40223664, 80447328]

約数ペア:

[(1, 80447328), (2, 40223664), (3, 26815776), (4, 20111832), (6, 13407888), (8, 10055916), (9, 8938592), (12, 6703944), (13, 6188256), (16, 5027958), (18, 4469296), (24, 3351972), (26, 3094128), (32, 2513979), (36, 2234648), (39, 2062752), (48, 1675986), (52, 1547064), (72, 1117324), (78, 1031376), (96, 837993), (104, 773532), (117, 687584), (144, 558662), (156, 515688), (208, 386766), (234, 343792), (288, 279331), (312, 257844), (416, 193383), (468, 171896), (624, 128922), (936, 85948), (1248, 64461), (1872, 42974), (3744, 21487)]