2577900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 8044624

約数和(自身を除く): 5466724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 661, 780, 975, 1300, 1322, 1950, 1983, 2644, 3305, 3900, 3966, 6610, 7932, 8593, 9915, 13220, 16525, 17186, 19830, 25779, 33050, 34372, 39660, 42965, 49575, 51558, 66100, 85930, 99150, 103116, 128895, 171860, 198300, 214825, 257790, 429650, 515580, 644475, 859300, 1288950, 2577900]

約数ペア:

[(1, 2577900), (2, 1288950), (3, 859300), (4, 644475), (5, 515580), (6, 429650), (10, 257790), (12, 214825), (13, 198300), (15, 171860), (20, 128895), (25, 103116), (26, 99150), (30, 85930), (39, 66100), (50, 51558), (52, 49575), (60, 42965), (65, 39660), (75, 34372), (78, 33050), (100, 25779), (130, 19830), (150, 17186), (156, 16525), (195, 13220), (260, 9915), (300, 8593), (325, 7932), (390, 6610), (650, 3966), (661, 3900), (780, 3305), (975, 2644), (1300, 1983), (1322, 1950)]