520121080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{13789}}^1$

素因数の和:13864

約数の個数: 64

約数和(自身を含む): 1251028800

約数和(自身を除く): 730907720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 3772, 4715, 7544, 9430, 13789, 18860, 27578, 37720, 55156, 68945, 110312, 137890, 275780, 317147, 551560, 565349, 634294, 1130698, 1268588, 1585735, 2261396, 2537176, 2826745, 3171470, 4522792, 5653490, 6342940, 11306980, 12685880, 13003027, 22613960, 26006054, 52012108, 65015135, 104024216, 130030270, 260060540, 520121080]

約数ペア:

[(1, 520121080), (2, 260060540), (4, 130030270), (5, 104024216), (8, 65015135), (10, 52012108), (20, 26006054), (23, 22613960), (40, 13003027), (41, 12685880), (46, 11306980), (82, 6342940), (92, 5653490), (115, 4522792), (164, 3171470), (184, 2826745), (205, 2537176), (230, 2261396), (328, 1585735), (410, 1268588), (460, 1130698), (820, 634294), (920, 565349), (943, 551560), (1640, 317147), (1886, 275780), (3772, 137890), (4715, 110312), (7544, 68945), (9430, 55156), (13789, 37720), (18860, 27578)]