161388640

素因数分解:

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

素因数の和:1524

約数の個数: 96

約数和(自身を含む): 440294400

約数和(自身を除く): 278905760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 103, 112, 140, 160, 206, 224, 280, 412, 515, 560, 721, 824, 1030, 1120, 1399, 1442, 1648, 2060, 2798, 2884, 3296, 3605, 4120, 5596, 5768, 6995, 7210, 8240, 9793, 11192, 11536, 13990, 14420, 16480, 19586, 22384, 23072, 27980, 28840, 39172, 44768, 48965, 55960, 57680, 78344, 97930, 111920, 115360, 144097, 156688, 195860, 223840, 288194, 313376, 391720, 576388, 720485, 783440, 1008679, 1152776, 1440970, 1566880, 2017358, 2305552, 2881940, 4034716, 4611104, 5043395, 5763880, 8069432, 10086790, 11527760, 16138864, 20173580, 23055520, 32277728, 40347160, 80694320, 161388640]

約数ペア:

[(1, 161388640), (2, 80694320), (4, 40347160), (5, 32277728), (7, 23055520), (8, 20173580), (10, 16138864), (14, 11527760), (16, 10086790), (20, 8069432), (28, 5763880), (32, 5043395), (35, 4611104), (40, 4034716), (56, 2881940), (70, 2305552), (80, 2017358), (103, 1566880), (112, 1440970), (140, 1152776), (160, 1008679), (206, 783440), (224, 720485), (280, 576388), (412, 391720), (515, 313376), (560, 288194), (721, 223840), (824, 195860), (1030, 156688), (1120, 144097), (1399, 115360), (1442, 111920), (1648, 97930), (2060, 78344), (2798, 57680), (2884, 55960), (3296, 48965), (3605, 44768), (4120, 39172), (5596, 28840), (5768, 27980), (6995, 23072), (7210, 22384), (8240, 19586), (9793, 16480), (11192, 14420), (11536, 13990)]