153239720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{57179}}^1$

素因数の和:57257

約数の個数: 32

約数和(自身を含む): 349941600

約数和(自身を除く): 196701880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 57179, 114358, 228716, 285895, 457432, 571790, 1143580, 2287160, 3830993, 7661986, 15323972, 19154965, 30647944, 38309930, 76619860, 153239720]

約数ペア:

[(1, 153239720), (2, 76619860), (4, 38309930), (5, 30647944), (8, 19154965), (10, 15323972), (20, 7661986), (40, 3830993), (67, 2287160), (134, 1143580), (268, 571790), (335, 457432), (536, 285895), (670, 228716), (1340, 114358), (2680, 57179)]