820304480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1787}}^1$

素因数の和:1972

約数の個数: 96

約数和(自身を含む): 2054626560

約数和(自身を除く): 1234322080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 151, 152, 160, 190, 302, 304, 380, 604, 608, 755, 760, 1208, 1510, 1520, 1787, 2416, 2869, 3020, 3040, 3574, 4832, 5738, 6040, 7148, 8935, 11476, 12080, 14296, 14345, 17870, 22952, 24160, 28592, 28690, 33953, 35740, 45904, 57184, 57380, 67906, 71480, 91808, 114760, 135812, 142960, 169765, 229520, 269837, 271624, 285920, 339530, 459040, 539674, 543248, 679060, 1079348, 1086496, 1349185, 1358120, 2158696, 2698370, 2716240, 4317392, 5126903, 5396740, 5432480, 8634784, 10253806, 10793480, 20507612, 21586960, 25634515, 41015224, 43173920, 51269030, 82030448, 102538060, 164060896, 205076120, 410152240, 820304480]

約数ペア:

[(1, 820304480), (2, 410152240), (4, 205076120), (5, 164060896), (8, 102538060), (10, 82030448), (16, 51269030), (19, 43173920), (20, 41015224), (32, 25634515), (38, 21586960), (40, 20507612), (76, 10793480), (80, 10253806), (95, 8634784), (151, 5432480), (152, 5396740), (160, 5126903), (190, 4317392), (302, 2716240), (304, 2698370), (380, 2158696), (604, 1358120), (608, 1349185), (755, 1086496), (760, 1079348), (1208, 679060), (1510, 543248), (1520, 539674), (1787, 459040), (2416, 339530), (2869, 285920), (3020, 271624), (3040, 269837), (3574, 229520), (4832, 169765), (5738, 142960), (6040, 135812), (7148, 114760), (8935, 91808), (11476, 71480), (12080, 67906), (14296, 57380), (14345, 57184), (17870, 45904), (22952, 35740), (24160, 33953), (28592, 28690)]