45215440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 111957120

約数和(自身を除く): 66741680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 151, 152, 190, 197, 302, 304, 380, 394, 604, 755, 760, 788, 985, 1208, 1510, 1520, 1576, 1970, 2416, 2869, 3020, 3152, 3743, 3940, 5738, 6040, 7486, 7880, 11476, 12080, 14345, 14972, 15760, 18715, 22952, 28690, 29747, 29944, 37430, 45904, 57380, 59494, 59888, 74860, 114760, 118988, 148735, 149720, 229520, 237976, 297470, 299440, 475952, 565193, 594940, 1130386, 1189880, 2260772, 2379760, 2825965, 4521544, 5651930, 9043088, 11303860, 22607720, 45215440]

約数ペア:

[(1, 45215440), (2, 22607720), (4, 11303860), (5, 9043088), (8, 5651930), (10, 4521544), (16, 2825965), (19, 2379760), (20, 2260772), (38, 1189880), (40, 1130386), (76, 594940), (80, 565193), (95, 475952), (151, 299440), (152, 297470), (190, 237976), (197, 229520), (302, 149720), (304, 148735), (380, 118988), (394, 114760), (604, 74860), (755, 59888), (760, 59494), (788, 57380), (985, 45904), (1208, 37430), (1510, 29944), (1520, 29747), (1576, 28690), (1970, 22952), (2416, 18715), (2869, 15760), (3020, 14972), (3152, 14345), (3743, 12080), (3940, 11476), (5738, 7880), (6040, 7486)]