81806910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 201139200

約数和(自身を除く): 119332290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 193, 199, 213, 355, 386, 398, 426, 579, 597, 710, 965, 995, 1065, 1158, 1194, 1930, 1990, 2130, 2895, 2985, 5790, 5970, 13703, 14129, 27406, 28258, 38407, 41109, 42387, 68515, 70645, 76814, 82218, 84774, 115221, 137030, 141290, 192035, 205545, 211935, 230442, 384070, 411090, 423870, 576105, 1152210, 2726897, 5453794, 8180691, 13634485, 16361382, 27268970, 40903455, 81806910]

約数ペア:

[(1, 81806910), (2, 40903455), (3, 27268970), (5, 16361382), (6, 13634485), (10, 8180691), (15, 5453794), (30, 2726897), (71, 1152210), (142, 576105), (193, 423870), (199, 411090), (213, 384070), (355, 230442), (386, 211935), (398, 205545), (426, 192035), (579, 141290), (597, 137030), (710, 115221), (965, 84774), (995, 82218), (1065, 76814), (1158, 70645), (1194, 68515), (1930, 42387), (1990, 41109), (2130, 38407), (2895, 28258), (2985, 27406), (5790, 14129), (5970, 13703)]