1278551664

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1861}}^1$

素因数の和:2255

約数の個数: 120

約数和(自身を含む): 3865988672

約数和(自身を除く): 2587437008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 367, 468, 624, 734, 936, 1101, 1468, 1861, 1872, 2202, 2936, 3303, 3722, 4404, 4771, 5583, 5872, 6606, 7444, 8808, 9542, 11166, 13212, 14313, 14888, 16749, 17616, 19084, 22332, 24193, 26424, 28626, 29776, 33498, 38168, 42939, 44664, 48386, 52848, 57252, 66996, 72579, 76336, 85878, 89328, 96772, 114504, 133992, 145158, 171756, 193544, 217737, 229008, 267984, 290316, 343512, 387088, 435474, 580632, 682987, 687024, 870948, 1161264, 1365974, 1741896, 2048961, 2731948, 3483792, 4097922, 5463896, 6146883, 8195844, 8878831, 10927792, 12293766, 16391688, 17757662, 24587532, 26636493, 32783376, 35515324, 49175064, 53272986, 71030648, 79909479, 98350128, 106545972, 142061296, 159818958, 213091944, 319637916, 426183888, 639275832, 1278551664]

約数ペア:

[(1, 1278551664), (2, 639275832), (3, 426183888), (4, 319637916), (6, 213091944), (8, 159818958), (9, 142061296), (12, 106545972), (13, 98350128), (16, 79909479), (18, 71030648), (24, 53272986), (26, 49175064), (36, 35515324), (39, 32783376), (48, 26636493), (52, 24587532), (72, 17757662), (78, 16391688), (104, 12293766), (117, 10927792), (144, 8878831), (156, 8195844), (208, 6146883), (234, 5463896), (312, 4097922), (367, 3483792), (468, 2731948), (624, 2048961), (734, 1741896), (936, 1365974), (1101, 1161264), (1468, 870948), (1861, 687024), (1872, 682987), (2202, 580632), (2936, 435474), (3303, 387088), (3722, 343512), (4404, 290316), (4771, 267984), (5583, 229008), (5872, 217737), (6606, 193544), (7444, 171756), (8808, 145158), (9542, 133992), (11166, 114504), (13212, 96772), (14313, 89328), (14888, 85878), (16749, 76336), (17616, 72579), (19084, 66996), (22332, 57252), (24193, 52848), (26424, 48386), (28626, 44664), (29776, 42939), (33498, 38168)]