151221320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{164371}}^1$

素因数の和:164405

約数の個数: 32

約数和(自身を含む): 355043520

約数和(自身を除く): 203822200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 164371, 328742, 657484, 821855, 1314968, 1643710, 3287420, 3780533, 6574840, 7561066, 15122132, 18902665, 30244264, 37805330, 75610660, 151221320]

約数ペア:

[(1, 151221320), (2, 75610660), (4, 37805330), (5, 30244264), (8, 18902665), (10, 15122132), (20, 7561066), (23, 6574840), (40, 3780533), (46, 3287420), (92, 1643710), (115, 1314968), (184, 821855), (230, 657484), (460, 328742), (920, 164371)]