1813815040

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8191}}^1$

素因数の和:8385

約数の個数: 72

約数和(自身を含む): 4370300928

約数和(自身を除く): 2556485888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 640, 692, 865, 1280, 1384, 1730, 2768, 3460, 5536, 6920, 8191, 11072, 13840, 16382, 22144, 27680, 32764, 40955, 44288, 55360, 65528, 81910, 110720, 131056, 163820, 221440, 262112, 327640, 524224, 655280, 1048448, 1310560, 1417043, 2096896, 2621120, 2834086, 5242240, 5668172, 7085215, 10484480, 11336344, 14170430, 22672688, 28340860, 45345376, 56681720, 90690752, 113363440, 181381504, 226726880, 362763008, 453453760, 906907520, 1813815040]

約数ペア:

[(1, 1813815040), (2, 906907520), (4, 453453760), (5, 362763008), (8, 226726880), (10, 181381504), (16, 113363440), (20, 90690752), (32, 56681720), (40, 45345376), (64, 28340860), (80, 22672688), (128, 14170430), (160, 11336344), (173, 10484480), (256, 7085215), (320, 5668172), (346, 5242240), (640, 2834086), (692, 2621120), (865, 2096896), (1280, 1417043), (1384, 1310560), (1730, 1048448), (2768, 655280), (3460, 524224), (5536, 327640), (6920, 262112), (8191, 221440), (11072, 163820), (13840, 131056), (16382, 110720), (22144, 81910), (27680, 65528), (32764, 55360), (40955, 44288)]