2578021240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1\times {\mathrm{2003}}^1$

素因数の和:3436

約数の個数: 64

約数和(自身を含む): 6060096000

約数和(自身を除く): 3482074760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1399, 2003, 2798, 4006, 5596, 6995, 8012, 10015, 11192, 13990, 16024, 20030, 27980, 32177, 40060, 46069, 55960, 64354, 80120, 92138, 128708, 160885, 184276, 230345, 257416, 321770, 368552, 460690, 643540, 921380, 1287080, 1842760, 2802197, 5604394, 11208788, 14010985, 22417576, 28021970, 56043940, 64450531, 112087880, 128901062, 257802124, 322252655, 515604248, 644505310, 1289010620, 2578021240]

約数ペア:

[(1, 2578021240), (2, 1289010620), (4, 644505310), (5, 515604248), (8, 322252655), (10, 257802124), (20, 128901062), (23, 112087880), (40, 64450531), (46, 56043940), (92, 28021970), (115, 22417576), (184, 14010985), (230, 11208788), (460, 5604394), (920, 2802197), (1399, 1842760), (2003, 1287080), (2798, 921380), (4006, 643540), (5596, 460690), (6995, 368552), (8012, 321770), (10015, 257416), (11192, 230345), (13990, 184276), (16024, 160885), (20030, 128708), (27980, 92138), (32177, 80120), (40060, 64354), (46069, 55960)]