1640280064

素因数分解:

$2^{12}\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 104

約数和(自身を含む): 3431046080

約数和(自身を除く): 1790766016

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 67, 86, 128, 134, 139, 172, 256, 268, 278, 344, 512, 536, 556, 688, 1024, 1072, 1112, 1376, 2048, 2144, 2224, 2752, 2881, 4096, 4288, 4448, 5504, 5762, 5977, 8576, 8896, 9313, 11008, 11524, 11954, 17152, 17792, 18626, 22016, 23048, 23908, 34304, 35584, 37252, 44032, 46096, 47816, 68608, 71168, 74504, 88064, 92192, 95632, 137216, 142336, 149008, 176128, 184384, 191264, 274432, 284672, 298016, 368768, 382528, 400459, 569344, 596032, 737536, 765056, 800918, 1192064, 1475072, 1530112, 1601836, 2384128, 2950144, 3060224, 3203672, 4768256, 5900288, 6120448, 6407344, 9536512, 11800576, 12240896, 12814688, 19073024, 24481792, 25629376, 38146048, 51258752, 102517504, 205035008, 410070016, 820140032, 1640280064]

約数ペア:

[(1, 1640280064), (2, 820140032), (4, 410070016), (8, 205035008), (16, 102517504), (32, 51258752), (43, 38146048), (64, 25629376), (67, 24481792), (86, 19073024), (128, 12814688), (134, 12240896), (139, 11800576), (172, 9536512), (256, 6407344), (268, 6120448), (278, 5900288), (344, 4768256), (512, 3203672), (536, 3060224), (556, 2950144), (688, 2384128), (1024, 1601836), (1072, 1530112), (1112, 1475072), (1376, 1192064), (2048, 800918), (2144, 765056), (2224, 737536), (2752, 596032), (2881, 569344), (4096, 400459), (4288, 382528), (4448, 368768), (5504, 298016), (5762, 284672), (5977, 274432), (8576, 191264), (8896, 184384), (9313, 176128), (11008, 149008), (11524, 142336), (11954, 137216), (17152, 95632), (17792, 92192), (18626, 88064), (22016, 74504), (23048, 71168), (23908, 68608), (34304, 47816), (35584, 46096), (37252, 44032)]