205650180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1901}}^1$

素因数の和:2517

約数の個数: 72

約数和(自身を含む): 625172184

約数和(自身を除く): 419522004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 601, 1202, 1803, 1901, 2404, 3005, 3606, 3802, 5409, 5703, 6010, 7212, 7604, 9015, 9505, 10818, 11406, 12020, 17109, 18030, 19010, 21636, 22812, 27045, 28515, 34218, 36060, 38020, 54090, 57030, 68436, 85545, 108180, 114060, 171090, 342180, 1142501, 2285002, 3427503, 4570004, 5712505, 6855006, 10282509, 11425010, 13710012, 17137515, 20565018, 22850020, 34275030, 41130036, 51412545, 68550060, 102825090, 205650180]

約数ペア:

[(1, 205650180), (2, 102825090), (3, 68550060), (4, 51412545), (5, 41130036), (6, 34275030), (9, 22850020), (10, 20565018), (12, 17137515), (15, 13710012), (18, 11425010), (20, 10282509), (30, 6855006), (36, 5712505), (45, 4570004), (60, 3427503), (90, 2285002), (180, 1142501), (601, 342180), (1202, 171090), (1803, 114060), (1901, 108180), (2404, 85545), (3005, 68436), (3606, 57030), (3802, 54090), (5409, 38020), (5703, 36060), (6010, 34218), (7212, 28515), (7604, 27045), (9015, 22812), (9505, 21636), (10818, 19010), (11406, 18030), (12020, 17109)]