156918421760

素因数分解:

$2^8\times 5^1\times {\mathrm{401}}^1\times {\mathrm{305717}}^1$

素因数の和:306139

約数の個数: 72

約数和(自身を含む): 376807217976

約数和(自身を除く): 219888796216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 401, 640, 802, 1280, 1604, 2005, 3208, 4010, 6416, 8020, 12832, 16040, 25664, 32080, 51328, 64160, 102656, 128320, 256640, 305717, 513280, 611434, 1222868, 1528585, 2445736, 3057170, 4891472, 6114340, 9782944, 12228680, 19565888, 24457360, 39131776, 48914720, 78263552, 97829440, 122592517, 195658880, 245185034, 391317760, 490370068, 612962585, 980740136, 1225925170, 1961480272, 2451850340, 3922960544, 4903700680, 7845921088, 9807401360, 15691842176, 19614802720, 31383684352, 39229605440, 78459210880, 156918421760]

約数ペア:

[(1, 156918421760), (2, 78459210880), (4, 39229605440), (5, 31383684352), (8, 19614802720), (10, 15691842176), (16, 9807401360), (20, 7845921088), (32, 4903700680), (40, 3922960544), (64, 2451850340), (80, 1961480272), (128, 1225925170), (160, 980740136), (256, 612962585), (320, 490370068), (401, 391317760), (640, 245185034), (802, 195658880), (1280, 122592517), (1604, 97829440), (2005, 78263552), (3208, 48914720), (4010, 39131776), (6416, 24457360), (8020, 19565888), (12832, 12228680), (16040, 9782944), (25664, 6114340), (32080, 4891472), (51328, 3057170), (64160, 2445736), (102656, 1528585), (128320, 1222868), (256640, 611434), (305717, 513280)]