204895980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1601}}^1$

素因数の和:1701

約数の個数: 120

約数和(自身を含む): 651309120

約数和(自身を除く): 446413140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 270, 316, 324, 395, 405, 474, 540, 711, 790, 810, 948, 1185, 1422, 1580, 1601, 1620, 2133, 2370, 2844, 3202, 3555, 4266, 4740, 4803, 6399, 6404, 7110, 8005, 8532, 9606, 10665, 12798, 14220, 14409, 16010, 19212, 21330, 24015, 25596, 28818, 31995, 32020, 42660, 43227, 48030, 57636, 63990, 72045, 86454, 96060, 126479, 127980, 129681, 144090, 172908, 216135, 252958, 259362, 288180, 379437, 432270, 505916, 518724, 632395, 648405, 758874, 864540, 1138311, 1264790, 1296810, 1517748, 1897185, 2276622, 2529580, 2593620, 3414933, 3794370, 4553244, 5691555, 6829866, 7588740, 10244799, 11383110, 13659732, 17074665, 20489598, 22766220, 34149330, 40979196, 51223995, 68298660, 102447990, 204895980]

約数ペア:

[(1, 204895980), (2, 102447990), (3, 68298660), (4, 51223995), (5, 40979196), (6, 34149330), (9, 22766220), (10, 20489598), (12, 17074665), (15, 13659732), (18, 11383110), (20, 10244799), (27, 7588740), (30, 6829866), (36, 5691555), (45, 4553244), (54, 3794370), (60, 3414933), (79, 2593620), (81, 2529580), (90, 2276622), (108, 1897185), (135, 1517748), (158, 1296810), (162, 1264790), (180, 1138311), (237, 864540), (270, 758874), (316, 648405), (324, 632395), (395, 518724), (405, 505916), (474, 432270), (540, 379437), (711, 288180), (790, 259362), (810, 252958), (948, 216135), (1185, 172908), (1422, 144090), (1580, 129681), (1601, 127980), (1620, 126479), (2133, 96060), (2370, 86454), (2844, 72045), (3202, 63990), (3555, 57636), (4266, 48030), (4740, 43227), (4803, 42660), (6399, 32020), (6404, 31995), (7110, 28818), (8005, 25596), (8532, 24015), (9606, 21330), (10665, 19212), (12798, 16010), (14220, 14409)]