2640393990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1061}}^1$

素因数の和:1799

約数の個数: 128

約数和(自身を含む): 7600521600

約数和(自身を除く): 4960127610

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 709, 1061, 1170, 1418, 1755, 2122, 2127, 3183, 3510, 3545, 4254, 5305, 6366, 6381, 7090, 9217, 9549, 10610, 10635, 12762, 13793, 15915, 18434, 19098, 19143, 21270, 27586, 27651, 28647, 31830, 31905, 38286, 41379, 46085, 47745, 55302, 57294, 63810, 68965, 82758, 82953, 92170, 95490, 95715, 124137, 137930, 138255, 143235, 165906, 191430, 206895, 248274, 248859, 276510, 286470, 372411, 413790, 414765, 497718, 620685, 744822, 752249, 829530, 1241370, 1244295, 1504498, 1862055, 2256747, 2488590, 3724110, 3761245, 4513494, 6770241, 7522490, 9779237, 11283735, 13540482, 19558474, 20310723, 22567470, 29337711, 33851205, 40621446, 48896185, 58675422, 67702410, 88013133, 97792370, 101553615, 146688555, 176026266, 203107230, 264039399, 293377110, 440065665, 528078798, 880131330, 1320196995, 2640393990]

約数ペア:

[(1, 2640393990), (2, 1320196995), (3, 880131330), (5, 528078798), (6, 440065665), (9, 293377110), (10, 264039399), (13, 203107230), (15, 176026266), (18, 146688555), (26, 101553615), (27, 97792370), (30, 88013133), (39, 67702410), (45, 58675422), (54, 48896185), (65, 40621446), (78, 33851205), (90, 29337711), (117, 22567470), (130, 20310723), (135, 19558474), (195, 13540482), (234, 11283735), (270, 9779237), (351, 7522490), (390, 6770241), (585, 4513494), (702, 3761245), (709, 3724110), (1061, 2488590), (1170, 2256747), (1418, 1862055), (1755, 1504498), (2122, 1244295), (2127, 1241370), (3183, 829530), (3510, 752249), (3545, 744822), (4254, 620685), (5305, 497718), (6366, 414765), (6381, 413790), (7090, 372411), (9217, 286470), (9549, 276510), (10610, 248859), (10635, 248274), (12762, 206895), (13793, 191430), (15915, 165906), (18434, 143235), (19098, 138255), (19143, 137930), (21270, 124137), (27586, 95715), (27651, 95490), (28647, 92170), (31830, 82953), (31905, 82758), (38286, 68965), (41379, 63810), (46085, 57294), (47745, 55302)]