80694320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1399}}^1$

素因数の和:1522

約数の個数: 80

約数和(自身を含む): 216652800

約数和(自身を除く): 135958480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1399, 1442, 1648, 2060, 2798, 2884, 3605, 4120, 5596, 5768, 6995, 7210, 8240, 9793, 11192, 11536, 13990, 14420, 19586, 22384, 27980, 28840, 39172, 48965, 55960, 57680, 78344, 97930, 111920, 144097, 156688, 195860, 288194, 391720, 576388, 720485, 783440, 1008679, 1152776, 1440970, 2017358, 2305552, 2881940, 4034716, 5043395, 5763880, 8069432, 10086790, 11527760, 16138864, 20173580, 40347160, 80694320]

約数ペア:

[(1, 80694320), (2, 40347160), (4, 20173580), (5, 16138864), (7, 11527760), (8, 10086790), (10, 8069432), (14, 5763880), (16, 5043395), (20, 4034716), (28, 2881940), (35, 2305552), (40, 2017358), (56, 1440970), (70, 1152776), (80, 1008679), (103, 783440), (112, 720485), (140, 576388), (206, 391720), (280, 288194), (412, 195860), (515, 156688), (560, 144097), (721, 111920), (824, 97930), (1030, 78344), (1399, 57680), (1442, 55960), (1648, 48965), (2060, 39172), (2798, 28840), (2884, 27980), (3605, 22384), (4120, 19586), (5596, 14420), (5768, 13990), (6995, 11536), (7210, 11192), (8240, 9793)]