280736928

素因数分解:

$2^5\times 3^5\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 144

約数和(自身を含む): 840228480

約数和(自身を除く): 559491552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 79, 81, 96, 108, 144, 158, 162, 216, 237, 243, 288, 316, 324, 432, 457, 474, 486, 632, 648, 711, 864, 914, 948, 972, 1264, 1296, 1371, 1422, 1828, 1896, 1944, 2133, 2528, 2592, 2742, 2844, 3656, 3792, 3888, 4113, 4266, 5484, 5688, 6399, 7312, 7584, 7776, 8226, 8532, 10968, 11376, 12339, 12798, 14624, 16452, 17064, 19197, 21936, 22752, 24678, 25596, 32904, 34128, 36103, 37017, 38394, 43872, 49356, 51192, 65808, 68256, 72206, 74034, 76788, 98712, 102384, 108309, 111051, 131616, 144412, 148068, 153576, 197424, 204768, 216618, 222102, 288824, 296136, 307152, 324927, 394848, 433236, 444204, 577648, 592272, 614304, 649854, 866472, 888408, 974781, 1155296, 1184544, 1299708, 1732944, 1776816, 1949562, 2599416, 2924343, 3465888, 3553632, 3899124, 5198832, 5848686, 7798248, 8773029, 10397664, 11697372, 15596496, 17546058, 23394744, 31192992, 35092116, 46789488, 70184232, 93578976, 140368464, 280736928]

約数ペア:

[(1, 280736928), (2, 140368464), (3, 93578976), (4, 70184232), (6, 46789488), (8, 35092116), (9, 31192992), (12, 23394744), (16, 17546058), (18, 15596496), (24, 11697372), (27, 10397664), (32, 8773029), (36, 7798248), (48, 5848686), (54, 5198832), (72, 3899124), (79, 3553632), (81, 3465888), (96, 2924343), (108, 2599416), (144, 1949562), (158, 1776816), (162, 1732944), (216, 1299708), (237, 1184544), (243, 1155296), (288, 974781), (316, 888408), (324, 866472), (432, 649854), (457, 614304), (474, 592272), (486, 577648), (632, 444204), (648, 433236), (711, 394848), (864, 324927), (914, 307152), (948, 296136), (972, 288824), (1264, 222102), (1296, 216618), (1371, 204768), (1422, 197424), (1828, 153576), (1896, 148068), (1944, 144412), (2133, 131616), (2528, 111051), (2592, 108309), (2742, 102384), (2844, 98712), (3656, 76788), (3792, 74034), (3888, 72206), (4113, 68256), (4266, 65808), (5484, 51192), (5688, 49356), (6399, 43872), (7312, 38394), (7584, 37017), (7776, 36103), (8226, 34128), (8532, 32904), (10968, 25596), (11376, 24678), (12339, 22752), (12798, 21936), (14624, 19197), (16452, 17064)]