278142912

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 168

約数和(自身を含む): 847213952

約数和(自身を除く): 569071040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 62, 64, 72, 74, 93, 96, 111, 124, 144, 148, 186, 192, 222, 248, 279, 288, 296, 333, 372, 421, 444, 496, 558, 576, 592, 666, 744, 842, 888, 992, 1116, 1147, 1184, 1263, 1332, 1488, 1684, 1776, 1984, 2232, 2294, 2368, 2526, 2664, 2976, 3368, 3441, 3552, 3789, 4464, 4588, 5052, 5328, 5952, 6736, 6882, 7104, 7578, 8928, 9176, 10104, 10323, 10656, 13051, 13472, 13764, 15156, 15577, 17856, 18352, 20208, 20646, 21312, 26102, 26944, 27528, 30312, 31154, 36704, 39153, 40416, 41292, 46731, 52204, 55056, 60624, 62308, 73408, 78306, 80832, 82584, 93462, 104408, 110112, 117459, 121248, 124616, 140193, 156612, 165168, 186924, 208816, 220224, 234918, 242496, 249232, 280386, 313224, 330336, 373848, 417632, 469836, 482887, 498464, 560772, 626448, 660672, 747696, 835264, 939672, 965774, 996928, 1121544, 1252896, 1448661, 1495392, 1879344, 1931548, 2243088, 2505792, 2897322, 2990784, 3758688, 3863096, 4345983, 4486176, 5794644, 7517376, 7726192, 8691966, 8972352, 11589288, 15452384, 17383932, 23178576, 30904768, 34767864, 46357152, 69535728, 92714304, 139071456, 278142912]

約数ペア:

[(1, 278142912), (2, 139071456), (3, 92714304), (4, 69535728), (6, 46357152), (8, 34767864), (9, 30904768), (12, 23178576), (16, 17383932), (18, 15452384), (24, 11589288), (31, 8972352), (32, 8691966), (36, 7726192), (37, 7517376), (48, 5794644), (62, 4486176), (64, 4345983), (72, 3863096), (74, 3758688), (93, 2990784), (96, 2897322), (111, 2505792), (124, 2243088), (144, 1931548), (148, 1879344), (186, 1495392), (192, 1448661), (222, 1252896), (248, 1121544), (279, 996928), (288, 965774), (296, 939672), (333, 835264), (372, 747696), (421, 660672), (444, 626448), (496, 560772), (558, 498464), (576, 482887), (592, 469836), (666, 417632), (744, 373848), (842, 330336), (888, 313224), (992, 280386), (1116, 249232), (1147, 242496), (1184, 234918), (1263, 220224), (1332, 208816), (1488, 186924), (1684, 165168), (1776, 156612), (1984, 140193), (2232, 124616), (2294, 121248), (2368, 117459), (2526, 110112), (2664, 104408), (2976, 93462), (3368, 82584), (3441, 80832), (3552, 78306), (3789, 73408), (4464, 62308), (4588, 60624), (5052, 55056), (5328, 52204), (5952, 46731), (6736, 41292), (6882, 40416), (7104, 39153), (7578, 36704), (8928, 31154), (9176, 30312), (10104, 27528), (10323, 26944), (10656, 26102), (13051, 21312), (13472, 20646), (13764, 20208), (15156, 18352), (15577, 17856)]