42640380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{236891}}^1$

素因数の和:236906

約数の個数: 36

約数和(自身を含む): 129343032

約数和(自身を除く): 86702652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 236891, 473782, 710673, 947564, 1184455, 1421346, 2132019, 2368910, 2842692, 3553365, 4264038, 4737820, 7106730, 8528076, 10660095, 14213460, 21320190, 42640380]

約数ペア:

[(1, 42640380), (2, 21320190), (3, 14213460), (4, 10660095), (5, 8528076), (6, 7106730), (9, 4737820), (10, 4264038), (12, 3553365), (15, 2842692), (18, 2368910), (20, 2132019), (30, 1421346), (36, 1184455), (45, 947564), (60, 710673), (90, 473782), (180, 236891)]