261919224

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:890

約数の個数: 128

約数和(自身を含む): 835660800

約数和(自身を除く): 573741576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 311, 378, 504, 557, 622, 756, 933, 1114, 1244, 1512, 1671, 1866, 2177, 2228, 2488, 2799, 3342, 3732, 3899, 4354, 4456, 5013, 5598, 6531, 6684, 7464, 7798, 8397, 8708, 10026, 11196, 11697, 13062, 13368, 15039, 15596, 16794, 17416, 19593, 20052, 22392, 23394, 26124, 30078, 31192, 33588, 35091, 39186, 40104, 46788, 52248, 58779, 60156, 67176, 70182, 78372, 93576, 105273, 117558, 120312, 140364, 156744, 173227, 210546, 235116, 280728, 346454, 421092, 470232, 519681, 692908, 842184, 1039362, 1212589, 1385816, 1559043, 2078724, 2425178, 3118086, 3637767, 4157448, 4677129, 4850356, 6236172, 7275534, 9354258, 9700712, 10913301, 12472344, 14551068, 18708516, 21826602, 29102136, 32739903, 37417032, 43653204, 65479806, 87306408, 130959612, 261919224]

約数ペア:

[(1, 261919224), (2, 130959612), (3, 87306408), (4, 65479806), (6, 43653204), (7, 37417032), (8, 32739903), (9, 29102136), (12, 21826602), (14, 18708516), (18, 14551068), (21, 12472344), (24, 10913301), (27, 9700712), (28, 9354258), (36, 7275534), (42, 6236172), (54, 4850356), (56, 4677129), (63, 4157448), (72, 3637767), (84, 3118086), (108, 2425178), (126, 2078724), (168, 1559043), (189, 1385816), (216, 1212589), (252, 1039362), (311, 842184), (378, 692908), (504, 519681), (557, 470232), (622, 421092), (756, 346454), (933, 280728), (1114, 235116), (1244, 210546), (1512, 173227), (1671, 156744), (1866, 140364), (2177, 120312), (2228, 117558), (2488, 105273), (2799, 93576), (3342, 78372), (3732, 70182), (3899, 67176), (4354, 60156), (4456, 58779), (5013, 52248), (5598, 46788), (6531, 40104), (6684, 39186), (7464, 35091), (7798, 33588), (8397, 31192), (8708, 30078), (10026, 26124), (11196, 23394), (11697, 22392), (13062, 20052), (13368, 19593), (15039, 17416), (15596, 16794)]