12728907520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{45827}}^1$

素因数の和:45886

約数の個数: 144

約数和(自身を含む): 35970213888

約数和(自身を除く): 23241306368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 7936, 8680, 8960, 9920, 13888, 17360, 19840, 27776, 34720, 39680, 45827, 55552, 69440, 91654, 138880, 183308, 229135, 277760, 320789, 366616, 458270, 641578, 733232, 916540, 1283156, 1420637, 1466464, 1603945, 1833080, 2566312, 2841274, 2932928, 3207890, 3666160, 5132624, 5682548, 5865856, 6415780, 7103185, 7332320, 9944459, 10265248, 11365096, 11731712, 12831560, 14206370, 14664640, 19888918, 20530496, 22730192, 25663120, 28412740, 29329280, 39777836, 41060992, 45460384, 49722295, 51326240, 56825480, 58658560, 79555672, 82121984, 90920768, 99444590, 102652480, 113650960, 159111344, 181841536, 198889180, 205304960, 227301920, 318222688, 363683072, 397778360, 410609920, 454603840, 636445376, 795556720, 909207680, 1272890752, 1591113440, 1818415360, 2545781504, 3182226880, 6364453760, 12728907520]

約数ペア:

[(1, 12728907520), (2, 6364453760), (4, 3182226880), (5, 2545781504), (7, 1818415360), (8, 1591113440), (10, 1272890752), (14, 909207680), (16, 795556720), (20, 636445376), (28, 454603840), (31, 410609920), (32, 397778360), (35, 363683072), (40, 318222688), (56, 227301920), (62, 205304960), (64, 198889180), (70, 181841536), (80, 159111344), (112, 113650960), (124, 102652480), (128, 99444590), (140, 90920768), (155, 82121984), (160, 79555672), (217, 58658560), (224, 56825480), (248, 51326240), (256, 49722295), (280, 45460384), (310, 41060992), (320, 39777836), (434, 29329280), (448, 28412740), (496, 25663120), (560, 22730192), (620, 20530496), (640, 19888918), (868, 14664640), (896, 14206370), (992, 12831560), (1085, 11731712), (1120, 11365096), (1240, 10265248), (1280, 9944459), (1736, 7332320), (1792, 7103185), (1984, 6415780), (2170, 5865856), (2240, 5682548), (2480, 5132624), (3472, 3666160), (3968, 3207890), (4340, 2932928), (4480, 2841274), (4960, 2566312), (6944, 1833080), (7936, 1603945), (8680, 1466464), (8960, 1420637), (9920, 1283156), (13888, 916540), (17360, 733232), (19840, 641578), (27776, 458270), (34720, 366616), (39680, 320789), (45827, 277760), (55552, 229135), (69440, 183308), (91654, 138880)]