1645544080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{1087}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 3885465600

約数和(自身を除く): 2239921520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 149, 254, 298, 508, 596, 635, 745, 1016, 1087, 1192, 1270, 1490, 2032, 2174, 2384, 2540, 2980, 4348, 5080, 5435, 5960, 8696, 10160, 10870, 11920, 17392, 18923, 21740, 37846, 43480, 75692, 86960, 94615, 138049, 151384, 161963, 189230, 276098, 302768, 323926, 378460, 552196, 647852, 690245, 756920, 809815, 1104392, 1295704, 1380490, 1513840, 1619630, 2208784, 2591408, 2760980, 3239260, 5521960, 6478520, 11043920, 12957040, 20569301, 41138602, 82277204, 102846505, 164554408, 205693010, 329108816, 411386020, 822772040, 1645544080]

約数ペア:

[(1, 1645544080), (2, 822772040), (4, 411386020), (5, 329108816), (8, 205693010), (10, 164554408), (16, 102846505), (20, 82277204), (40, 41138602), (80, 20569301), (127, 12957040), (149, 11043920), (254, 6478520), (298, 5521960), (508, 3239260), (596, 2760980), (635, 2591408), (745, 2208784), (1016, 1619630), (1087, 1513840), (1192, 1380490), (1270, 1295704), (1490, 1104392), (2032, 809815), (2174, 756920), (2384, 690245), (2540, 647852), (2980, 552196), (4348, 378460), (5080, 323926), (5435, 302768), (5960, 276098), (8696, 189230), (10160, 161963), (10870, 151384), (11920, 138049), (17392, 94615), (18923, 86960), (21740, 75692), (37846, 43480)]