121844560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 290941200

約数和(自身を除く): 169096640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 109, 157, 178, 218, 314, 356, 436, 445, 545, 628, 712, 785, 872, 890, 1090, 1256, 1424, 1570, 1744, 1780, 2180, 2512, 3140, 3560, 4360, 6280, 7120, 8720, 9701, 12560, 13973, 17113, 19402, 27946, 34226, 38804, 48505, 55892, 68452, 69865, 77608, 85565, 97010, 111784, 136904, 139730, 155216, 171130, 194020, 223568, 273808, 279460, 342260, 388040, 558920, 684520, 776080, 1117840, 1369040, 1523057, 3046114, 6092228, 7615285, 12184456, 15230570, 24368912, 30461140, 60922280, 121844560]

約数ペア:

[(1, 121844560), (2, 60922280), (4, 30461140), (5, 24368912), (8, 15230570), (10, 12184456), (16, 7615285), (20, 6092228), (40, 3046114), (80, 1523057), (89, 1369040), (109, 1117840), (157, 776080), (178, 684520), (218, 558920), (314, 388040), (356, 342260), (436, 279460), (445, 273808), (545, 223568), (628, 194020), (712, 171130), (785, 155216), (872, 139730), (890, 136904), (1090, 111784), (1256, 97010), (1424, 85565), (1570, 77608), (1744, 69865), (1780, 68452), (2180, 55892), (2512, 48505), (3140, 38804), (3560, 34226), (4360, 27946), (6280, 19402), (7120, 17113), (8720, 13973), (9701, 12560)]