20161488090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^2\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:844

約数の個数: 96

約数和(自身を含む): 49315936320

約数和(自身を除く): 29154448230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 257, 395, 419, 474, 514, 771, 790, 838, 1185, 1257, 1285, 1542, 2095, 2370, 2514, 2570, 3855, 4190, 6241, 6285, 7710, 12482, 12570, 18723, 20303, 31205, 33101, 37446, 40606, 60909, 62410, 66202, 93615, 99303, 101515, 107683, 121818, 165505, 187230, 198606, 203030, 215366, 304545, 323049, 331010, 496515, 538415, 609090, 646098, 993030, 1076830, 1603937, 1615245, 2614979, 3207874, 3230490, 4811811, 5229958, 7844937, 8019685, 8506957, 9623622, 13074895, 15689874, 16039370, 17013914, 24059055, 25520871, 26149790, 39224685, 42534785, 48118110, 51041742, 78449370, 85069570, 127604355, 255208710, 672049603, 1344099206, 2016148809, 3360248015, 4032297618, 6720496030, 10080744045, 20161488090]

約数ペア:

[(1, 20161488090), (2, 10080744045), (3, 6720496030), (5, 4032297618), (6, 3360248015), (10, 2016148809), (15, 1344099206), (30, 672049603), (79, 255208710), (158, 127604355), (237, 85069570), (257, 78449370), (395, 51041742), (419, 48118110), (474, 42534785), (514, 39224685), (771, 26149790), (790, 25520871), (838, 24059055), (1185, 17013914), (1257, 16039370), (1285, 15689874), (1542, 13074895), (2095, 9623622), (2370, 8506957), (2514, 8019685), (2570, 7844937), (3855, 5229958), (4190, 4811811), (6241, 3230490), (6285, 3207874), (7710, 2614979), (12482, 1615245), (12570, 1603937), (18723, 1076830), (20303, 993030), (31205, 646098), (33101, 609090), (37446, 538415), (40606, 496515), (60909, 331010), (62410, 323049), (66202, 304545), (93615, 215366), (99303, 203030), (101515, 198606), (107683, 187230), (121818, 165505)]