145323920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{259507}}^1$

素因数の和:259527

約数の個数: 40

約数和(自身を含む): 386147904

約数和(自身を除く): 240823984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 259507, 519014, 1038028, 1297535, 1816549, 2076056, 2595070, 3633098, 4152112, 5190140, 7266196, 9082745, 10380280, 14532392, 18165490, 20760560, 29064784, 36330980, 72661960, 145323920]

約数ペア:

[(1, 145323920), (2, 72661960), (4, 36330980), (5, 29064784), (7, 20760560), (8, 18165490), (10, 14532392), (14, 10380280), (16, 9082745), (20, 7266196), (28, 5190140), (35, 4152112), (40, 3633098), (56, 2595070), (70, 2076056), (80, 1816549), (112, 1297535), (140, 1038028), (280, 519014), (560, 259507)]