67791460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 158530680

約数和(自身を除く): 90739220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 121, 218, 220, 242, 257, 436, 484, 514, 545, 605, 1028, 1090, 1199, 1210, 1285, 2180, 2398, 2420, 2570, 2827, 4796, 5140, 5654, 5995, 11308, 11990, 13189, 14135, 23980, 26378, 28013, 28270, 31097, 52756, 56026, 56540, 62194, 65945, 112052, 124388, 131890, 140065, 155485, 263780, 280130, 308143, 310970, 560260, 616286, 621940, 1232572, 1540715, 3081430, 3389573, 6162860, 6779146, 13558292, 16947865, 33895730, 67791460]

約数ペア:

[(1, 67791460), (2, 33895730), (4, 16947865), (5, 13558292), (10, 6779146), (11, 6162860), (20, 3389573), (22, 3081430), (44, 1540715), (55, 1232572), (109, 621940), (110, 616286), (121, 560260), (218, 310970), (220, 308143), (242, 280130), (257, 263780), (436, 155485), (484, 140065), (514, 131890), (545, 124388), (605, 112052), (1028, 65945), (1090, 62194), (1199, 56540), (1210, 56026), (1285, 52756), (2180, 31097), (2398, 28270), (2420, 28013), (2570, 26378), (2827, 23980), (4796, 14135), (5140, 13189), (5654, 11990), (5995, 11308)]