251681256

素因数分解:

$2^3\times 3^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 744876000

約数和(自身を除く): 493194744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 59, 72, 81, 87, 108, 116, 118, 162, 174, 177, 216, 227, 232, 236, 261, 324, 348, 354, 454, 472, 522, 531, 648, 681, 696, 708, 783, 908, 1044, 1062, 1362, 1416, 1566, 1593, 1711, 1816, 2043, 2088, 2124, 2349, 2724, 3132, 3186, 3422, 4086, 4248, 4698, 4779, 5133, 5448, 6129, 6264, 6372, 6583, 6844, 8172, 9396, 9558, 10266, 12258, 12744, 13166, 13393, 13688, 15399, 16344, 18387, 18792, 19116, 19749, 20532, 24516, 26332, 26786, 30798, 36774, 38232, 39498, 40179, 41064, 46197, 49032, 52664, 53572, 59247, 61596, 73548, 78996, 80358, 92394, 107144, 118494, 120537, 123192, 138591, 147096, 157992, 160716, 177741, 184788, 236988, 241074, 277182, 321432, 355482, 361611, 369576, 388397, 473976, 482148, 533223, 554364, 710964, 723222, 776794, 964296, 1066446, 1084833, 1108728, 1165191, 1421928, 1446444, 1553588, 2132892, 2169666, 2330382, 2892888, 3107176, 3495573, 4265784, 4339332, 4660764, 6991146, 8678664, 9321528, 10486719, 13982292, 20973438, 27964584, 31460157, 41946876, 62920314, 83893752, 125840628, 251681256]

約数ペア:

[(1, 251681256), (2, 125840628), (3, 83893752), (4, 62920314), (6, 41946876), (8, 31460157), (9, 27964584), (12, 20973438), (18, 13982292), (24, 10486719), (27, 9321528), (29, 8678664), (36, 6991146), (54, 4660764), (58, 4339332), (59, 4265784), (72, 3495573), (81, 3107176), (87, 2892888), (108, 2330382), (116, 2169666), (118, 2132892), (162, 1553588), (174, 1446444), (177, 1421928), (216, 1165191), (227, 1108728), (232, 1084833), (236, 1066446), (261, 964296), (324, 776794), (348, 723222), (354, 710964), (454, 554364), (472, 533223), (522, 482148), (531, 473976), (648, 388397), (681, 369576), (696, 361611), (708, 355482), (783, 321432), (908, 277182), (1044, 241074), (1062, 236988), (1362, 184788), (1416, 177741), (1566, 160716), (1593, 157992), (1711, 147096), (1816, 138591), (2043, 123192), (2088, 120537), (2124, 118494), (2349, 107144), (2724, 92394), (3132, 80358), (3186, 78996), (3422, 73548), (4086, 61596), (4248, 59247), (4698, 53572), (4779, 52664), (5133, 49032), (5448, 46197), (6129, 41064), (6264, 40179), (6372, 39498), (6583, 38232), (6844, 36774), (8172, 30798), (9396, 26786), (9558, 26332), (10266, 24516), (12258, 20532), (12744, 19749), (13166, 19116), (13393, 18792), (13688, 18387), (15399, 16344)]