82447600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 209728640

約数和(自身を除く): 127281040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 61, 62, 80, 100, 109, 122, 124, 155, 200, 218, 244, 248, 305, 310, 400, 436, 488, 496, 545, 610, 620, 775, 872, 976, 1090, 1220, 1240, 1525, 1550, 1744, 1891, 2180, 2440, 2480, 2725, 3050, 3100, 3379, 3782, 4360, 4880, 5450, 6100, 6200, 6649, 6758, 7564, 8720, 9455, 10900, 12200, 12400, 13298, 13516, 15128, 16895, 18910, 21800, 24400, 26596, 27032, 30256, 33245, 33790, 37820, 43600, 47275, 53192, 54064, 66490, 67580, 75640, 84475, 94550, 106384, 132980, 135160, 151280, 166225, 168950, 189100, 206119, 265960, 270320, 332450, 337900, 378200, 412238, 531920, 664900, 675800, 756400, 824476, 1030595, 1329800, 1351600, 1648952, 2061190, 2659600, 3297904, 4122380, 5152975, 8244760, 10305950, 16489520, 20611900, 41223800, 82447600]

約数ペア:

[(1, 82447600), (2, 41223800), (4, 20611900), (5, 16489520), (8, 10305950), (10, 8244760), (16, 5152975), (20, 4122380), (25, 3297904), (31, 2659600), (40, 2061190), (50, 1648952), (61, 1351600), (62, 1329800), (80, 1030595), (100, 824476), (109, 756400), (122, 675800), (124, 664900), (155, 531920), (200, 412238), (218, 378200), (244, 337900), (248, 332450), (305, 270320), (310, 265960), (400, 206119), (436, 189100), (488, 168950), (496, 166225), (545, 151280), (610, 135160), (620, 132980), (775, 106384), (872, 94550), (976, 84475), (1090, 75640), (1220, 67580), (1240, 66490), (1525, 54064), (1550, 53192), (1744, 47275), (1891, 43600), (2180, 37820), (2440, 33790), (2480, 33245), (2725, 30256), (3050, 27032), (3100, 26596), (3379, 24400), (3782, 21800), (4360, 18910), (4880, 16895), (5450, 15128), (6100, 13516), (6200, 13298), (6649, 12400), (6758, 12200), (7564, 10900), (8720, 9455)]