289049940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20327}}^1$

素因数の和:20421

約数の個数: 72

約数和(自身を含む): 887927040

約数和(自身を除く): 598877100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 20327, 40654, 60981, 81308, 101635, 121962, 182943, 203270, 243924, 304905, 365886, 406540, 609810, 731772, 914715, 1219620, 1605833, 1829430, 3211666, 3658860, 4817499, 6423332, 8029165, 9634998, 14452497, 16058330, 19269996, 24087495, 28904994, 32116660, 48174990, 57809988, 72262485, 96349980, 144524970, 289049940]

約数ペア:

[(1, 289049940), (2, 144524970), (3, 96349980), (4, 72262485), (5, 57809988), (6, 48174990), (9, 32116660), (10, 28904994), (12, 24087495), (15, 19269996), (18, 16058330), (20, 14452497), (30, 9634998), (36, 8029165), (45, 6423332), (60, 4817499), (79, 3658860), (90, 3211666), (158, 1829430), (180, 1605833), (237, 1219620), (316, 914715), (395, 731772), (474, 609810), (711, 406540), (790, 365886), (948, 304905), (1185, 243924), (1422, 203270), (1580, 182943), (2370, 121962), (2844, 101635), (3555, 81308), (4740, 60981), (7110, 40654), (14220, 20327)]