261679040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{593}}^1$

素因数の和:814

約数の個数: 112

約数和(自身を含む): 716962752

約数和(自身を除く): 455283712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 197, 224, 280, 320, 394, 448, 560, 593, 788, 985, 1120, 1186, 1379, 1576, 1970, 2240, 2372, 2758, 2965, 3152, 3940, 4151, 4744, 5516, 5930, 6304, 6895, 7880, 8302, 9488, 11032, 11860, 12608, 13790, 15760, 16604, 18976, 20755, 22064, 23720, 27580, 31520, 33208, 37952, 41510, 44128, 47440, 55160, 63040, 66416, 83020, 88256, 94880, 110320, 116821, 132832, 166040, 189760, 220640, 233642, 265664, 332080, 441280, 467284, 584105, 664160, 817747, 934568, 1168210, 1328320, 1635494, 1869136, 2336420, 3270988, 3738272, 4088735, 4672840, 6541976, 7476544, 8177470, 9345680, 13083952, 16354940, 18691360, 26167904, 32709880, 37382720, 52335808, 65419760, 130839520, 261679040]

約数ペア:

[(1, 261679040), (2, 130839520), (4, 65419760), (5, 52335808), (7, 37382720), (8, 32709880), (10, 26167904), (14, 18691360), (16, 16354940), (20, 13083952), (28, 9345680), (32, 8177470), (35, 7476544), (40, 6541976), (56, 4672840), (64, 4088735), (70, 3738272), (80, 3270988), (112, 2336420), (140, 1869136), (160, 1635494), (197, 1328320), (224, 1168210), (280, 934568), (320, 817747), (394, 664160), (448, 584105), (560, 467284), (593, 441280), (788, 332080), (985, 265664), (1120, 233642), (1186, 220640), (1379, 189760), (1576, 166040), (1970, 132832), (2240, 116821), (2372, 110320), (2758, 94880), (2965, 88256), (3152, 83020), (3940, 66416), (4151, 63040), (4744, 55160), (5516, 47440), (5930, 44128), (6304, 41510), (6895, 37952), (7880, 33208), (8302, 31520), (9488, 27580), (11032, 23720), (11860, 22064), (12608, 20755), (13790, 18976), (15760, 16604)]