256312560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{152567}}^1$

素因数の和:152590

約数の個数: 80

約数和(自身を含む): 908084736

約数和(自身を除く): 651772176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 152567, 305134, 457701, 610268, 762835, 915402, 1067969, 1220536, 1525670, 1830804, 2135938, 2288505, 2441072, 3051340, 3203907, 3661608, 4271876, 4577010, 5339845, 6102680, 6407814, 7323216, 8543752, 9154020, 10679690, 12205360, 12815628, 16019535, 17087504, 18308040, 21359380, 25631256, 32039070, 36616080, 42718760, 51262512, 64078140, 85437520, 128156280, 256312560]

約数ペア:

[(1, 256312560), (2, 128156280), (3, 85437520), (4, 64078140), (5, 51262512), (6, 42718760), (7, 36616080), (8, 32039070), (10, 25631256), (12, 21359380), (14, 18308040), (15, 17087504), (16, 16019535), (20, 12815628), (21, 12205360), (24, 10679690), (28, 9154020), (30, 8543752), (35, 7323216), (40, 6407814), (42, 6102680), (48, 5339845), (56, 4577010), (60, 4271876), (70, 3661608), (80, 3203907), (84, 3051340), (105, 2441072), (112, 2288505), (120, 2135938), (140, 1830804), (168, 1525670), (210, 1220536), (240, 1067969), (280, 915402), (336, 762835), (420, 610268), (560, 457701), (840, 305134), (1680, 152567)]