138879080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 321829200

約数和(自身を除く): 182950120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 424, 436, 530, 545, 601, 872, 1060, 1090, 1202, 2120, 2180, 2404, 3005, 4360, 4808, 5777, 6010, 11554, 12020, 23108, 24040, 28885, 31853, 46216, 57770, 63706, 65509, 115540, 127412, 131018, 159265, 231080, 254824, 262036, 318530, 327545, 524072, 637060, 655090, 1274120, 1310180, 2620360, 3471977, 6943954, 13887908, 17359885, 27775816, 34719770, 69439540, 138879080]

約数ペア:

[(1, 138879080), (2, 69439540), (4, 34719770), (5, 27775816), (8, 17359885), (10, 13887908), (20, 6943954), (40, 3471977), (53, 2620360), (106, 1310180), (109, 1274120), (212, 655090), (218, 637060), (265, 524072), (424, 327545), (436, 318530), (530, 262036), (545, 254824), (601, 231080), (872, 159265), (1060, 131018), (1090, 127412), (1202, 115540), (2120, 65509), (2180, 63706), (2404, 57770), (3005, 46216), (4360, 31853), (4808, 28885), (5777, 24040), (6010, 23108), (11554, 12020)]