205164120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244243}}^1$

素因数の和:244264

約数の個数: 64

約数和(自身を含む): 703422720

約数和(自身を除く): 498258600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 244243, 488486, 732729, 976972, 1221215, 1465458, 1709701, 1953944, 2442430, 2930916, 3419402, 3663645, 4884860, 5129103, 5861832, 6838804, 7327290, 8548505, 9769720, 10258206, 13677608, 14654580, 17097010, 20516412, 25645515, 29309160, 34194020, 41032824, 51291030, 68388040, 102582060, 205164120]

約数ペア:

[(1, 205164120), (2, 102582060), (3, 68388040), (4, 51291030), (5, 41032824), (6, 34194020), (7, 29309160), (8, 25645515), (10, 20516412), (12, 17097010), (14, 14654580), (15, 13677608), (20, 10258206), (21, 9769720), (24, 8548505), (28, 7327290), (30, 6838804), (35, 5861832), (40, 5129103), (42, 4884860), (56, 3663645), (60, 3419402), (70, 2930916), (84, 2442430), (105, 1953944), (120, 1709701), (140, 1465458), (168, 1221215), (210, 976972), (280, 732729), (420, 488486), (840, 244243)]