61980520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5399}}^1$

素因数の和:5458

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 101315480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5399, 5740, 10798, 11480, 21596, 26995, 37793, 43192, 53990, 75586, 107980, 151172, 188965, 215960, 221359, 302344, 377930, 442718, 755860, 885436, 1106795, 1511720, 1549513, 1770872, 2213590, 3099026, 4427180, 6198052, 7747565, 8854360, 12396104, 15495130, 30990260, 61980520]

約数ペア:

[(1, 61980520), (2, 30990260), (4, 15495130), (5, 12396104), (7, 8854360), (8, 7747565), (10, 6198052), (14, 4427180), (20, 3099026), (28, 2213590), (35, 1770872), (40, 1549513), (41, 1511720), (56, 1106795), (70, 885436), (82, 755860), (140, 442718), (164, 377930), (205, 302344), (280, 221359), (287, 215960), (328, 188965), (410, 151172), (574, 107980), (820, 75586), (1148, 53990), (1435, 43192), (1640, 37793), (2296, 26995), (2870, 21596), (5399, 11480), (5740, 10798)]