78208480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69829}}^1$

素因数の和:69851

約数の個数: 48

約数和(自身を含む): 211165920

約数和(自身を除く): 132957440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69829, 139658, 279316, 349145, 488803, 558632, 698290, 977606, 1117264, 1396580, 1955212, 2234528, 2444015, 2793160, 3910424, 4888030, 5586320, 7820848, 9776060, 11172640, 15641696, 19552120, 39104240, 78208480]

約数ペア:

[(1, 78208480), (2, 39104240), (4, 19552120), (5, 15641696), (7, 11172640), (8, 9776060), (10, 7820848), (14, 5586320), (16, 4888030), (20, 3910424), (28, 2793160), (32, 2444015), (35, 2234528), (40, 1955212), (56, 1396580), (70, 1117264), (80, 977606), (112, 698290), (140, 558632), (160, 488803), (224, 349145), (280, 279316), (560, 139658), (1120, 69829)]