1621335.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 139164480

約数和(自身を除く): 82077320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 311, 353, 520, 622, 706, 1244, 1412, 1555, 1765, 2488, 2824, 3110, 3530, 4043, 4589, 6220, 7060, 8086, 9178, 12440, 14120, 16172, 18356, 20215, 22945, 32344, 36712, 40430, 45890, 80860, 91780, 109783, 161720, 183560, 219566, 439132, 548915, 878264, 1097830, 1427179, 2195660, 2854358, 4391320, 5708716, 7135895, 11417432, 14271790, 28543580, 57087160]

約数ペア:

[(1, 57087160), (2, 28543580), (4, 14271790), (5, 11417432), (8, 7135895), (10, 5708716), (13, 4391320), (20, 2854358), (26, 2195660), (40, 1427179), (52, 1097830), (65, 878264), (104, 548915), (130, 439132), (260, 219566), (311, 183560), (353, 161720), (520, 109783), (622, 91780), (706, 80860), (1244, 45890), (1412, 40430), (1555, 36712), (1765, 32344), (2488, 22945), (2824, 20215), (3110, 18356), (3530, 16172), (4043, 14120), (4589, 12440), (6220, 9178), (7060, 8086)]