1289454520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1\times {\mathrm{1321}}^1$

素因数の和:2416

約数の個数: 64

約数和(自身を含む): 3032562240

約数和(自身を除く): 1743107720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1061, 1321, 2122, 2642, 4244, 5284, 5305, 6605, 8488, 10568, 10610, 13210, 21220, 24403, 26420, 30383, 42440, 48806, 52840, 60766, 97612, 121532, 122015, 151915, 195224, 243064, 244030, 303830, 488060, 607660, 976120, 1215320, 1401581, 2803162, 5606324, 7007905, 11212648, 14015810, 28031620, 32236363, 56063240, 64472726, 128945452, 161181815, 257890904, 322363630, 644727260, 1289454520]

約数ペア:

[(1, 1289454520), (2, 644727260), (4, 322363630), (5, 257890904), (8, 161181815), (10, 128945452), (20, 64472726), (23, 56063240), (40, 32236363), (46, 28031620), (92, 14015810), (115, 11212648), (184, 7007905), (230, 5606324), (460, 2803162), (920, 1401581), (1061, 1215320), (1321, 976120), (2122, 607660), (2642, 488060), (4244, 303830), (5284, 244030), (5305, 243064), (6605, 195224), (8488, 151915), (10568, 122015), (10610, 121532), (13210, 97612), (21220, 60766), (24403, 52840), (26420, 48806), (30383, 42440)]