121778480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{593}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 302284224

約数和(自身を除く): 180505744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 151, 170, 272, 302, 340, 593, 604, 680, 755, 1186, 1208, 1360, 1510, 2372, 2416, 2567, 2965, 3020, 4744, 5134, 5930, 6040, 9488, 10081, 10268, 11860, 12080, 12835, 20162, 20536, 23720, 25670, 40324, 41072, 47440, 50405, 51340, 80648, 89543, 100810, 102680, 161296, 179086, 201620, 205360, 358172, 403240, 447715, 716344, 806480, 895430, 1432688, 1522231, 1790860, 3044462, 3581720, 6088924, 7163440, 7611155, 12177848, 15222310, 24355696, 30444620, 60889240, 121778480]

約数ペア:

[(1, 121778480), (2, 60889240), (4, 30444620), (5, 24355696), (8, 15222310), (10, 12177848), (16, 7611155), (17, 7163440), (20, 6088924), (34, 3581720), (40, 3044462), (68, 1790860), (80, 1522231), (85, 1432688), (136, 895430), (151, 806480), (170, 716344), (272, 447715), (302, 403240), (340, 358172), (593, 205360), (604, 201620), (680, 179086), (755, 161296), (1186, 102680), (1208, 100810), (1360, 89543), (1510, 80648), (2372, 51340), (2416, 50405), (2567, 47440), (2965, 41072), (3020, 40324), (4744, 25670), (5134, 23720), (5930, 20536), (6040, 20162), (9488, 12835), (10081, 12080), (10268, 11860)]