80200638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 204618240

約数和(自身を除く): 124417602

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 331, 378, 641, 662, 993, 1282, 1923, 1986, 2317, 2979, 3846, 4487, 4634, 5769, 5958, 6951, 8937, 8974, 11538, 13461, 13902, 17307, 17874, 20853, 26922, 34614, 40383, 41706, 62559, 80766, 121149, 125118, 212171, 242298, 424342, 636513, 1273026, 1485197, 1909539, 2970394, 3819078, 4455591, 5728617, 8911182, 11457234, 13366773, 26733546, 40100319, 80200638]

約数ペア:

[(1, 80200638), (2, 40100319), (3, 26733546), (6, 13366773), (7, 11457234), (9, 8911182), (14, 5728617), (18, 4455591), (21, 3819078), (27, 2970394), (42, 1909539), (54, 1485197), (63, 1273026), (126, 636513), (189, 424342), (331, 242298), (378, 212171), (641, 125118), (662, 121149), (993, 80766), (1282, 62559), (1923, 41706), (1986, 40383), (2317, 34614), (2979, 26922), (3846, 20853), (4487, 17874), (4634, 17307), (5769, 13902), (5958, 13461), (6951, 11538), (8937, 8974)]