1271139520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29867}}^1$

素因数の和:29910

約数の個数: 112

約数和(自身を含む): 3641506560

約数和(自身を除く): 2370367040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2660, 3040, 4256, 5320, 6080, 8512, 10640, 21280, 29867, 42560, 59734, 119468, 149335, 209069, 238936, 298670, 418138, 477872, 567473, 597340, 836276, 955744, 1045345, 1134946, 1194680, 1672552, 1911488, 2090690, 2269892, 2389360, 2837365, 3345104, 3972311, 4181380, 4539784, 4778720, 5674730, 6690208, 7944622, 8362760, 9079568, 9557440, 11349460, 13380416, 15889244, 16725520, 18159136, 19861555, 22698920, 31778488, 33451040, 36318272, 39723110, 45397840, 63556976, 66902080, 79446220, 90795680, 127113952, 158892440, 181591360, 254227904, 317784880, 635569760, 1271139520]

約数ペア:

[(1, 1271139520), (2, 635569760), (4, 317784880), (5, 254227904), (7, 181591360), (8, 158892440), (10, 127113952), (14, 90795680), (16, 79446220), (19, 66902080), (20, 63556976), (28, 45397840), (32, 39723110), (35, 36318272), (38, 33451040), (40, 31778488), (56, 22698920), (64, 19861555), (70, 18159136), (76, 16725520), (80, 15889244), (95, 13380416), (112, 11349460), (133, 9557440), (140, 9079568), (152, 8362760), (160, 7944622), (190, 6690208), (224, 5674730), (266, 4778720), (280, 4539784), (304, 4181380), (320, 3972311), (380, 3345104), (448, 2837365), (532, 2389360), (560, 2269892), (608, 2090690), (665, 1911488), (760, 1672552), (1064, 1194680), (1120, 1134946), (1216, 1045345), (1330, 955744), (1520, 836276), (2128, 597340), (2240, 567473), (2660, 477872), (3040, 418138), (4256, 298670), (5320, 238936), (6080, 209069), (8512, 149335), (10640, 119468), (21280, 59734), (29867, 42560)]