165909760

素因数分解:

$2^8\times 5^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 399855456

約数和(自身を除く): 233945696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 256, 320, 454, 571, 640, 908, 1135, 1142, 1280, 1816, 2270, 2284, 2855, 3632, 4540, 4568, 5710, 7264, 9080, 9136, 11420, 14528, 18160, 18272, 22840, 29056, 36320, 36544, 45680, 58112, 72640, 73088, 91360, 129617, 145280, 146176, 182720, 259234, 290560, 365440, 518468, 648085, 730880, 1036936, 1296170, 2073872, 2592340, 4147744, 5184680, 8295488, 10369360, 16590976, 20738720, 33181952, 41477440, 82954880, 165909760]

約数ペア:

[(1, 165909760), (2, 82954880), (4, 41477440), (5, 33181952), (8, 20738720), (10, 16590976), (16, 10369360), (20, 8295488), (32, 5184680), (40, 4147744), (64, 2592340), (80, 2073872), (128, 1296170), (160, 1036936), (227, 730880), (256, 648085), (320, 518468), (454, 365440), (571, 290560), (640, 259234), (908, 182720), (1135, 146176), (1142, 145280), (1280, 129617), (1816, 91360), (2270, 73088), (2284, 72640), (2855, 58112), (3632, 45680), (4540, 36544), (4568, 36320), (5710, 29056), (7264, 22840), (9080, 18272), (9136, 18160), (11420, 14528)]