261721404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 796723200

約数和(自身を除く): 535001796

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 59, 63, 84, 87, 116, 118, 126, 174, 177, 203, 236, 252, 261, 348, 354, 406, 413, 522, 531, 607, 609, 708, 812, 826, 1044, 1062, 1214, 1218, 1239, 1652, 1711, 1821, 1827, 2124, 2428, 2436, 2478, 3422, 3642, 3654, 3717, 4249, 4956, 5133, 5463, 6844, 7284, 7308, 7434, 8498, 10266, 10926, 11977, 12747, 14868, 15399, 16996, 17603, 20532, 21852, 23954, 25494, 30798, 35206, 35813, 35931, 38241, 47908, 50988, 52809, 61596, 70412, 71626, 71862, 76482, 105618, 107439, 107793, 123221, 143252, 143724, 152964, 158427, 211236, 214878, 215586, 246442, 250691, 316854, 322317, 369663, 429756, 431172, 492884, 501382, 633708, 644634, 739326, 752073, 1002764, 1038577, 1108989, 1289268, 1478652, 1504146, 2077154, 2217978, 2256219, 3008292, 3115731, 4154308, 4435956, 4512438, 6231462, 7270039, 9024876, 9347193, 12462924, 14540078, 18694386, 21810117, 29080156, 37388772, 43620234, 65430351, 87240468, 130860702, 261721404]

約数ペア:

[(1, 261721404), (2, 130860702), (3, 87240468), (4, 65430351), (6, 43620234), (7, 37388772), (9, 29080156), (12, 21810117), (14, 18694386), (18, 14540078), (21, 12462924), (28, 9347193), (29, 9024876), (36, 7270039), (42, 6231462), (58, 4512438), (59, 4435956), (63, 4154308), (84, 3115731), (87, 3008292), (116, 2256219), (118, 2217978), (126, 2077154), (174, 1504146), (177, 1478652), (203, 1289268), (236, 1108989), (252, 1038577), (261, 1002764), (348, 752073), (354, 739326), (406, 644634), (413, 633708), (522, 501382), (531, 492884), (607, 431172), (609, 429756), (708, 369663), (812, 322317), (826, 316854), (1044, 250691), (1062, 246442), (1214, 215586), (1218, 214878), (1239, 211236), (1652, 158427), (1711, 152964), (1821, 143724), (1827, 143252), (2124, 123221), (2428, 107793), (2436, 107439), (2478, 105618), (3422, 76482), (3642, 71862), (3654, 71626), (3717, 70412), (4249, 61596), (4956, 52809), (5133, 50988), (5463, 47908), (6844, 38241), (7284, 35931), (7308, 35813), (7434, 35206), (8498, 30798), (10266, 25494), (10926, 23954), (11977, 21852), (12747, 20532), (14868, 17603), (15399, 16996)]