39830220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2895

約数の個数: 72

約数和(自身を含む): 122391360

約数和(自身を除く): 82561140

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, 2801, 2844, 3555, 4740, 5602, 7110, 8403, 11204, 14005, 14220, 16806, 25209, 28010, 33612, 42015, 50418, 56020, 84030, 100836, 126045, 168060, 221279, 252090, 442558, 504180, 663837, 885116, 1106395, 1327674, 1991511, 2212790, 2655348, 3319185, 3983022, 4425580, 6638370, 7966044, 9957555, 13276740, 19915110, 39830220]

約数ペア:

[(1, 39830220), (2, 19915110), (3, 13276740), (4, 9957555), (5, 7966044), (6, 6638370), (9, 4425580), (10, 3983022), (12, 3319185), (15, 2655348), (18, 2212790), (20, 1991511), (30, 1327674), (36, 1106395), (45, 885116), (60, 663837), (79, 504180), (90, 442558), (158, 252090), (180, 221279), (237, 168060), (316, 126045), (395, 100836), (474, 84030), (711, 56020), (790, 50418), (948, 42015), (1185, 33612), (1422, 28010), (1580, 25209), (2370, 16806), (2801, 14220), (2844, 14005), (3555, 11204), (4740, 8403), (5602, 7110)]