320509904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2076

約数の個数: 80

約数和(自身を含む): 740202624

約数和(自身を除く): 419692720

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 142, 143, 176, 208, 284, 286, 568, 572, 781, 923, 1136, 1144, 1562, 1846, 1973, 2288, 3124, 3692, 3946, 6248, 7384, 7892, 10153, 12496, 14768, 15784, 20306, 21703, 25649, 31568, 40612, 43406, 51298, 81224, 86812, 102596, 140083, 162448, 173624, 205192, 280166, 282139, 347248, 410384, 560332, 564278, 1120664, 1128556, 1540913, 1821079, 2241328, 2257112, 3081826, 3642158, 4514224, 6163652, 7284316, 12327304, 14568632, 20031869, 24654608, 29137264, 40063738, 80127476, 160254952, 320509904]

約数ペア:

[(1, 320509904), (2, 160254952), (4, 80127476), (8, 40063738), (11, 29137264), (13, 24654608), (16, 20031869), (22, 14568632), (26, 12327304), (44, 7284316), (52, 6163652), (71, 4514224), (88, 3642158), (104, 3081826), (142, 2257112), (143, 2241328), (176, 1821079), (208, 1540913), (284, 1128556), (286, 1120664), (568, 564278), (572, 560332), (781, 410384), (923, 347248), (1136, 282139), (1144, 280166), (1562, 205192), (1846, 173624), (1973, 162448), (2288, 140083), (3124, 102596), (3692, 86812), (3946, 81224), (6248, 51298), (7384, 43406), (7892, 40612), (10153, 31568), (12496, 25649), (14768, 21703), (15784, 20306)]