207945840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7949}}^1$

素因数の和:8074

約数の個数: 80

約数和(自身を含む): 650628000

約数和(自身を除く): 442682160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 7949, 8720, 13080, 15898, 23847, 26160, 31796, 39745, 47694, 63592, 79490, 95388, 119235, 127184, 158980, 190776, 238470, 317960, 381552, 476940, 635920, 866441, 953880, 1732882, 1907760, 2599323, 3465764, 4332205, 5198646, 6931528, 8664410, 10397292, 12996615, 13863056, 17328820, 20794584, 25993230, 34657640, 41589168, 51986460, 69315280, 103972920, 207945840]

約数ペア:

[(1, 207945840), (2, 103972920), (3, 69315280), (4, 51986460), (5, 41589168), (6, 34657640), (8, 25993230), (10, 20794584), (12, 17328820), (15, 13863056), (16, 12996615), (20, 10397292), (24, 8664410), (30, 6931528), (40, 5198646), (48, 4332205), (60, 3465764), (80, 2599323), (109, 1907760), (120, 1732882), (218, 953880), (240, 866441), (327, 635920), (436, 476940), (545, 381552), (654, 317960), (872, 238470), (1090, 190776), (1308, 158980), (1635, 127184), (1744, 119235), (2180, 95388), (2616, 79490), (3270, 63592), (4360, 47694), (5232, 39745), (6540, 31796), (7949, 26160), (8720, 23847), (13080, 15898)]