205326180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2789}}^1$

素因数の和:3213

約数の個数: 72

約数和(自身を含む): 624569400

約数和(自身を除く): 419243220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1227, 1636, 2045, 2454, 2789, 3681, 4090, 4908, 5578, 6135, 7362, 8180, 8367, 11156, 12270, 13945, 14724, 16734, 18405, 24540, 25101, 27890, 33468, 36810, 41835, 50202, 55780, 73620, 83670, 100404, 125505, 167340, 251010, 502020, 1140701, 2281402, 3422103, 4562804, 5703505, 6844206, 10266309, 11407010, 13688412, 17110515, 20532618, 22814020, 34221030, 41065236, 51331545, 68442060, 102663090, 205326180]

約数ペア:

[(1, 205326180), (2, 102663090), (3, 68442060), (4, 51331545), (5, 41065236), (6, 34221030), (9, 22814020), (10, 20532618), (12, 17110515), (15, 13688412), (18, 11407010), (20, 10266309), (30, 6844206), (36, 5703505), (45, 4562804), (60, 3422103), (90, 2281402), (180, 1140701), (409, 502020), (818, 251010), (1227, 167340), (1636, 125505), (2045, 100404), (2454, 83670), (2789, 73620), (3681, 55780), (4090, 50202), (4908, 41835), (5578, 36810), (6135, 33468), (7362, 27890), (8180, 25101), (8367, 24540), (11156, 18405), (12270, 16734), (13945, 14724)]