79127440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1399}}^1$

素因数の和:1520

約数の個数: 80

約数和(自身を含む): 212486400

約数和(自身を除く): 133358960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1399, 1414, 1616, 2020, 2798, 2828, 3535, 4040, 5596, 5656, 6995, 7070, 8080, 9793, 11192, 11312, 13990, 14140, 19586, 22384, 27980, 28280, 39172, 48965, 55960, 56560, 78344, 97930, 111920, 141299, 156688, 195860, 282598, 391720, 565196, 706495, 783440, 989093, 1130392, 1412990, 1978186, 2260784, 2825980, 3956372, 4945465, 5651960, 7912744, 9890930, 11303920, 15825488, 19781860, 39563720, 79127440]

約数ペア:

[(1, 79127440), (2, 39563720), (4, 19781860), (5, 15825488), (7, 11303920), (8, 9890930), (10, 7912744), (14, 5651960), (16, 4945465), (20, 3956372), (28, 2825980), (35, 2260784), (40, 1978186), (56, 1412990), (70, 1130392), (80, 989093), (101, 783440), (112, 706495), (140, 565196), (202, 391720), (280, 282598), (404, 195860), (505, 156688), (560, 141299), (707, 111920), (808, 97930), (1010, 78344), (1399, 56560), (1414, 55960), (1616, 48965), (2020, 39172), (2798, 28280), (2828, 27980), (3535, 22384), (4040, 19586), (5596, 14140), (5656, 13990), (6995, 11312), (7070, 11192), (8080, 9793)]