129822160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2972

約数の個数: 80

約数和(自身を含む): 332728704

約数和(自身を除く): 202906544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 2903, 3440, 4472, 5590, 5806, 8944, 11180, 11612, 14515, 22360, 23224, 29030, 37739, 44720, 46448, 58060, 75478, 116120, 124829, 150956, 188695, 232240, 249658, 301912, 377390, 499316, 603824, 624145, 754780, 998632, 1248290, 1509560, 1622777, 1997264, 2496580, 3019120, 3245554, 4993160, 6491108, 8113885, 9986320, 12982216, 16227770, 25964432, 32455540, 64911080, 129822160]

約数ペア:

[(1, 129822160), (2, 64911080), (4, 32455540), (5, 25964432), (8, 16227770), (10, 12982216), (13, 9986320), (16, 8113885), (20, 6491108), (26, 4993160), (40, 3245554), (43, 3019120), (52, 2496580), (65, 1997264), (80, 1622777), (86, 1509560), (104, 1248290), (130, 998632), (172, 754780), (208, 624145), (215, 603824), (260, 499316), (344, 377390), (430, 301912), (520, 249658), (559, 232240), (688, 188695), (860, 150956), (1040, 124829), (1118, 116120), (1720, 75478), (2236, 58060), (2795, 46448), (2903, 44720), (3440, 37739), (4472, 29030), (5590, 23224), (5806, 22360), (8944, 14515), (11180, 11612)]