80983280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 222811632

約数和(自身を除く): 141828352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 283, 292, 365, 392, 490, 511, 560, 566, 584, 730, 784, 980, 1022, 1132, 1168, 1415, 1460, 1960, 1981, 2044, 2264, 2555, 2830, 2920, 3577, 3920, 3962, 4088, 4528, 5110, 5660, 5840, 7154, 7924, 8176, 9905, 10220, 11320, 13867, 14308, 15848, 17885, 19810, 20440, 20659, 22640, 27734, 28616, 31696, 35770, 39620, 40880, 41318, 55468, 57232, 69335, 71540, 79240, 82636, 103295, 110936, 138670, 143080, 144613, 158480, 165272, 206590, 221872, 277340, 286160, 289226, 330544, 413180, 554680, 578452, 723065, 826360, 1012291, 1109360, 1156904, 1446130, 1652720, 2024582, 2313808, 2892260, 4049164, 5061455, 5784520, 8098328, 10122910, 11569040, 16196656, 20245820, 40491640, 80983280]

約数ペア:

[(1, 80983280), (2, 40491640), (4, 20245820), (5, 16196656), (7, 11569040), (8, 10122910), (10, 8098328), (14, 5784520), (16, 5061455), (20, 4049164), (28, 2892260), (35, 2313808), (40, 2024582), (49, 1652720), (56, 1446130), (70, 1156904), (73, 1109360), (80, 1012291), (98, 826360), (112, 723065), (140, 578452), (146, 554680), (196, 413180), (245, 330544), (280, 289226), (283, 286160), (292, 277340), (365, 221872), (392, 206590), (490, 165272), (511, 158480), (560, 144613), (566, 143080), (584, 138670), (730, 110936), (784, 103295), (980, 82636), (1022, 79240), (1132, 71540), (1168, 69335), (1415, 57232), (1460, 55468), (1960, 41318), (1981, 40880), (2044, 39620), (2264, 35770), (2555, 31696), (2830, 28616), (2920, 27734), (3577, 22640), (3920, 20659), (3962, 20440), (4088, 19810), (4528, 17885), (5110, 15848), (5660, 14308), (5840, 13867), (7154, 11320), (7924, 10220), (8176, 9905)]