257380416

素因数分解:

$2^6\times 3^4\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:534

約数の個数: 140

約数和(自身を含む): 770808720

約数和(自身を除く): 513428304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 131, 144, 162, 192, 216, 262, 288, 324, 379, 393, 432, 524, 576, 648, 758, 786, 864, 1048, 1137, 1179, 1296, 1516, 1572, 1728, 2096, 2274, 2358, 2592, 3032, 3144, 3411, 3537, 4192, 4548, 4716, 5184, 6064, 6288, 6822, 7074, 8384, 9096, 9432, 10233, 10611, 12128, 12576, 13644, 14148, 18192, 18864, 20466, 21222, 24256, 25152, 27288, 28296, 30699, 36384, 37728, 40932, 42444, 49649, 54576, 56592, 61398, 72768, 75456, 81864, 84888, 99298, 109152, 113184, 122796, 148947, 163728, 169776, 198596, 218304, 226368, 245592, 297894, 327456, 339552, 397192, 446841, 491184, 595788, 654912, 679104, 794384, 893682, 982368, 1191576, 1340523, 1588768, 1787364, 1964736, 2383152, 2681046, 3177536, 3574728, 4021569, 4766304, 5362092, 7149456, 8043138, 9532608, 10724184, 14298912, 16086276, 21448368, 28597824, 32172552, 42896736, 64345104, 85793472, 128690208, 257380416]

約数ペア:

[(1, 257380416), (2, 128690208), (3, 85793472), (4, 64345104), (6, 42896736), (8, 32172552), (9, 28597824), (12, 21448368), (16, 16086276), (18, 14298912), (24, 10724184), (27, 9532608), (32, 8043138), (36, 7149456), (48, 5362092), (54, 4766304), (64, 4021569), (72, 3574728), (81, 3177536), (96, 2681046), (108, 2383152), (131, 1964736), (144, 1787364), (162, 1588768), (192, 1340523), (216, 1191576), (262, 982368), (288, 893682), (324, 794384), (379, 679104), (393, 654912), (432, 595788), (524, 491184), (576, 446841), (648, 397192), (758, 339552), (786, 327456), (864, 297894), (1048, 245592), (1137, 226368), (1179, 218304), (1296, 198596), (1516, 169776), (1572, 163728), (1728, 148947), (2096, 122796), (2274, 113184), (2358, 109152), (2592, 99298), (3032, 84888), (3144, 81864), (3411, 75456), (3537, 72768), (4192, 61398), (4548, 56592), (4716, 54576), (5184, 49649), (6064, 42444), (6288, 40932), (6822, 37728), (7074, 36384), (8384, 30699), (9096, 28296), (9432, 27288), (10233, 25152), (10611, 24256), (12128, 21222), (12576, 20466), (13644, 18864), (14148, 18192)]