168142760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{135599}}^1$

素因数の和:135641

約数の個数: 32

約数和(自身を含む): 390528000

約数和(自身を除く): 222385240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 135599, 271198, 542396, 677995, 1084792, 1355990, 2711980, 4203569, 5423960, 8407138, 16814276, 21017845, 33628552, 42035690, 84071380, 168142760]

約数ペア:

[(1, 168142760), (2, 84071380), (4, 42035690), (5, 33628552), (8, 21017845), (10, 16814276), (20, 8407138), (31, 5423960), (40, 4203569), (62, 2711980), (124, 1355990), (155, 1084792), (248, 677995), (310, 542396), (620, 271198), (1240, 135599)]