1319161600

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 216

約数和(自身を含む): 3457139840

約数和(自身を除く): 2137978240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 61, 62, 64, 80, 100, 109, 122, 124, 128, 155, 160, 200, 218, 244, 248, 256, 305, 310, 320, 400, 436, 488, 496, 545, 610, 620, 640, 775, 800, 872, 976, 992, 1090, 1220, 1240, 1280, 1525, 1550, 1600, 1744, 1891, 1952, 1984, 2180, 2440, 2480, 2725, 3050, 3100, 3200, 3379, 3488, 3782, 3904, 3968, 4360, 4880, 4960, 5450, 6100, 6200, 6400, 6649, 6758, 6976, 7564, 7808, 7936, 8720, 9455, 9760, 9920, 10900, 12200, 12400, 13298, 13516, 13952, 15128, 15616, 16895, 17440, 18910, 19520, 19840, 21800, 24400, 24800, 26596, 27032, 27904, 30256, 33245, 33790, 34880, 37820, 39040, 39680, 43600, 47275, 48800, 49600, 53192, 54064, 60512, 66490, 67580, 69760, 75640, 78080, 84475, 87200, 94550, 97600, 99200, 106384, 108128, 121024, 132980, 135160, 139520, 151280, 166225, 168950, 174400, 189100, 195200, 198400, 206119, 212768, 216256, 242048, 265960, 270320, 302560, 332450, 337900, 348800, 378200, 390400, 412238, 425536, 432512, 484096, 531920, 540640, 605120, 664900, 675800, 697600, 756400, 824476, 851072, 865024, 1030595, 1063840, 1081280, 1210240, 1329800, 1351600, 1512800, 1648952, 1702144, 2061190, 2127680, 2162560, 2420480, 2659600, 2703200, 3025600, 3297904, 4122380, 4255360, 4325120, 5152975, 5319200, 5406400, 6051200, 6595808, 8244760, 8510720, 10305950, 10638400, 10812800, 12102400, 13191616, 16489520, 20611900, 21276800, 21625600, 26383232, 32979040, 41223800, 42553600, 52766464, 65958080, 82447600, 131916160, 164895200, 263832320, 329790400, 659580800, 1319161600]

約数ペア:

[(1, 1319161600), (2, 659580800), (4, 329790400), (5, 263832320), (8, 164895200), (10, 131916160), (16, 82447600), (20, 65958080), (25, 52766464), (31, 42553600), (32, 41223800), (40, 32979040), (50, 26383232), (61, 21625600), (62, 21276800), (64, 20611900), (80, 16489520), (100, 13191616), (109, 12102400), (122, 10812800), (124, 10638400), (128, 10305950), (155, 8510720), (160, 8244760), (200, 6595808), (218, 6051200), (244, 5406400), (248, 5319200), (256, 5152975), (305, 4325120), (310, 4255360), (320, 4122380), (400, 3297904), (436, 3025600), (488, 2703200), (496, 2659600), (545, 2420480), (610, 2162560), (620, 2127680), (640, 2061190), (775, 1702144), (800, 1648952), (872, 1512800), (976, 1351600), (992, 1329800), (1090, 1210240), (1220, 1081280), (1240, 1063840), (1280, 1030595), (1525, 865024), (1550, 851072), (1600, 824476), (1744, 756400), (1891, 697600), (1952, 675800), (1984, 664900), (2180, 605120), (2440, 540640), (2480, 531920), (2725, 484096), (3050, 432512), (3100, 425536), (3200, 412238), (3379, 390400), (3488, 378200), (3782, 348800), (3904, 337900), (3968, 332450), (4360, 302560), (4880, 270320), (4960, 265960), (5450, 242048), (6100, 216256), (6200, 212768), (6400, 206119), (6649, 198400), (6758, 195200), (6976, 189100), (7564, 174400), (7808, 168950), (7936, 166225), (8720, 151280), (9455, 139520), (9760, 135160), (9920, 132980), (10900, 121024), (12200, 108128), (12400, 106384), (13298, 99200), (13516, 97600), (13952, 94550), (15128, 87200), (15616, 84475), (16895, 78080), (17440, 75640), (18910, 69760), (19520, 67580), (19840, 66490), (21800, 60512), (24400, 54064), (24800, 53192), (26596, 49600), (27032, 48800), (27904, 47275), (30256, 43600), (33245, 39680), (33790, 39040), (34880, 37820)]