161491120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1019}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 431043840

約数和(自身を除く): 269552720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 560, 566, 1019, 1132, 1415, 1981, 2038, 2264, 2830, 3962, 4076, 4528, 5095, 5660, 7133, 7924, 8152, 9905, 10190, 11320, 14266, 15848, 16304, 19810, 20380, 22640, 28532, 31696, 35665, 39620, 40760, 57064, 71330, 79240, 81520, 114128, 142660, 158480, 285320, 288377, 570640, 576754, 1153508, 1441885, 2018639, 2307016, 2883770, 4037278, 4614032, 5767540, 8074556, 10093195, 11535080, 16149112, 20186390, 23070160, 32298224, 40372780, 80745560, 161491120]

約数ペア:

[(1, 161491120), (2, 80745560), (4, 40372780), (5, 32298224), (7, 23070160), (8, 20186390), (10, 16149112), (14, 11535080), (16, 10093195), (20, 8074556), (28, 5767540), (35, 4614032), (40, 4037278), (56, 2883770), (70, 2307016), (80, 2018639), (112, 1441885), (140, 1153508), (280, 576754), (283, 570640), (560, 288377), (566, 285320), (1019, 158480), (1132, 142660), (1415, 114128), (1981, 81520), (2038, 79240), (2264, 71330), (2830, 57064), (3962, 40760), (4076, 39620), (4528, 35665), (5095, 31696), (5660, 28532), (7133, 22640), (7924, 20380), (8152, 19810), (9905, 16304), (10190, 15848), (11320, 14266)]