319218160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128717}}^1$

素因数の和:128761

約数の個数: 40

約数和(自身を含む): 766129536

約数和(自身を除く): 446911376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 128717, 257434, 514868, 643585, 1029736, 1287170, 2059472, 2574340, 3990227, 5148680, 7980454, 10297360, 15960908, 19951135, 31921816, 39902270, 63843632, 79804540, 159609080, 319218160]

約数ペア:

[(1, 319218160), (2, 159609080), (4, 79804540), (5, 63843632), (8, 39902270), (10, 31921816), (16, 19951135), (20, 15960908), (31, 10297360), (40, 7980454), (62, 5148680), (80, 3990227), (124, 2574340), (155, 2059472), (248, 1287170), (310, 1029736), (496, 643585), (620, 514868), (1240, 257434), (2480, 128717)]