890568

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 128

約数和(自身を含む): 3072000

約数和(自身を除く): 2181432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 31, 36, 38, 42, 54, 56, 57, 62, 63, 72, 76, 84, 93, 108, 114, 124, 126, 133, 152, 168, 171, 186, 189, 216, 217, 228, 248, 252, 266, 279, 342, 372, 378, 399, 434, 456, 504, 513, 532, 558, 589, 651, 684, 744, 756, 798, 837, 868, 1026, 1064, 1116, 1178, 1197, 1302, 1368, 1512, 1596, 1674, 1736, 1767, 1953, 2052, 2232, 2356, 2394, 2604, 3192, 3348, 3534, 3591, 3906, 4104, 4123, 4712, 4788, 5208, 5301, 5859, 6696, 7068, 7182, 7812, 8246, 9576, 10602, 11718, 12369, 14136, 14364, 15624, 15903, 16492, 21204, 23436, 24738, 28728, 31806, 32984, 37107, 42408, 46872, 49476, 63612, 74214, 98952, 111321, 127224, 148428, 222642, 296856, 445284, 890568]

約数ペア:

[(1, 890568), (2, 445284), (3, 296856), (4, 222642), (6, 148428), (7, 127224), (8, 111321), (9, 98952), (12, 74214), (14, 63612), (18, 49476), (19, 46872), (21, 42408), (24, 37107), (27, 32984), (28, 31806), (31, 28728), (36, 24738), (38, 23436), (42, 21204), (54, 16492), (56, 15903), (57, 15624), (62, 14364), (63, 14136), (72, 12369), (76, 11718), (84, 10602), (93, 9576), (108, 8246), (114, 7812), (124, 7182), (126, 7068), (133, 6696), (152, 5859), (168, 5301), (171, 5208), (186, 4788), (189, 4712), (216, 4123), (217, 4104), (228, 3906), (248, 3591), (252, 3534), (266, 3348), (279, 3192), (342, 2604), (372, 2394), (378, 2356), (399, 2232), (434, 2052), (456, 1953), (504, 1767), (513, 1736), (532, 1674), (558, 1596), (589, 1512), (651, 1368), (684, 1302), (744, 1197), (756, 1178), (798, 1116), (837, 1064), (868, 1026)]