1551111720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{561997}}^1$

素因数の和:562034

約数の個数: 64

約数和(自身を含む): 4855662720

約数和(自身を除く): 3304551000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 561997, 1123994, 1685991, 2247988, 2809985, 3371982, 4495976, 5619970, 6743964, 8429955, 11239940, 12925931, 13487928, 16859910, 22479880, 25851862, 33719820, 38777793, 51703724, 64629655, 67439640, 77555586, 103407448, 129259310, 155111172, 193888965, 258518620, 310222344, 387777930, 517037240, 775555860, 1551111720]

約数ペア:

[(1, 1551111720), (2, 775555860), (3, 517037240), (4, 387777930), (5, 310222344), (6, 258518620), (8, 193888965), (10, 155111172), (12, 129259310), (15, 103407448), (20, 77555586), (23, 67439640), (24, 64629655), (30, 51703724), (40, 38777793), (46, 33719820), (60, 25851862), (69, 22479880), (92, 16859910), (115, 13487928), (120, 12925931), (138, 11239940), (184, 8429955), (230, 6743964), (276, 5619970), (345, 4495976), (460, 3371982), (552, 2809985), (690, 2247988), (920, 1685991), (1380, 1123994), (2760, 561997)]