130915760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 313209120

約数和(自身を除く): 182293360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 139, 193, 244, 278, 305, 386, 488, 556, 610, 695, 772, 965, 976, 1112, 1220, 1390, 1544, 1930, 2224, 2440, 2780, 3088, 3860, 4880, 5560, 7720, 8479, 11120, 11773, 15440, 16958, 23546, 26827, 33916, 42395, 47092, 53654, 58865, 67832, 84790, 94184, 107308, 117730, 134135, 135664, 169580, 188368, 214616, 235460, 268270, 339160, 429232, 470920, 536540, 678320, 941840, 1073080, 1636447, 2146160, 3272894, 6545788, 8182235, 13091576, 16364470, 26183152, 32728940, 65457880, 130915760]

約数ペア:

[(1, 130915760), (2, 65457880), (4, 32728940), (5, 26183152), (8, 16364470), (10, 13091576), (16, 8182235), (20, 6545788), (40, 3272894), (61, 2146160), (80, 1636447), (122, 1073080), (139, 941840), (193, 678320), (244, 536540), (278, 470920), (305, 429232), (386, 339160), (488, 268270), (556, 235460), (610, 214616), (695, 188368), (772, 169580), (965, 135664), (976, 134135), (1112, 117730), (1220, 107308), (1390, 94184), (1544, 84790), (1930, 67832), (2224, 58865), (2440, 53654), (2780, 47092), (3088, 42395), (3860, 33916), (4880, 26827), (5560, 23546), (7720, 16958), (8479, 15440), (11120, 11773)]