256323984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40151}}^1$

素因数の和:40188

約数の個数: 80

約数和(自身を含む): 796615680

約数和(自身を除く): 540291696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 6384, 40151, 80302, 120453, 160604, 240906, 281057, 321208, 481812, 562114, 642416, 762869, 843171, 963624, 1124228, 1525738, 1686342, 1927248, 2248456, 2288607, 3051476, 3372684, 4496912, 4577214, 5340083, 6102952, 6745368, 9154428, 10680166, 12205904, 13490736, 16020249, 18308856, 21360332, 32040498, 36617712, 42720664, 64080996, 85441328, 128161992, 256323984]

約数ペア:

[(1, 256323984), (2, 128161992), (3, 85441328), (4, 64080996), (6, 42720664), (7, 36617712), (8, 32040498), (12, 21360332), (14, 18308856), (16, 16020249), (19, 13490736), (21, 12205904), (24, 10680166), (28, 9154428), (38, 6745368), (42, 6102952), (48, 5340083), (56, 4577214), (57, 4496912), (76, 3372684), (84, 3051476), (112, 2288607), (114, 2248456), (133, 1927248), (152, 1686342), (168, 1525738), (228, 1124228), (266, 963624), (304, 843171), (336, 762869), (399, 642416), (456, 562114), (532, 481812), (798, 321208), (912, 281057), (1064, 240906), (1596, 160604), (2128, 120453), (3192, 80302), (6384, 40151)]