74560725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 143542152

約数和(自身を除く): 68981427

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 101, 153, 193, 225, 255, 303, 425, 505, 579, 765, 909, 965, 1275, 1515, 1717, 1737, 2525, 2895, 3281, 3825, 4545, 4825, 5151, 7575, 8585, 8685, 9843, 14475, 15453, 16405, 19493, 22725, 25755, 29529, 42925, 43425, 49215, 58479, 77265, 82025, 97465, 128775, 147645, 175437, 246075, 292395, 331381, 386325, 487325, 738225, 877185, 994143, 1461975, 1656905, 2982429, 4385925, 4970715, 8284525, 14912145, 24853575, 74560725]

約数ペア:

[(1, 74560725), (3, 24853575), (5, 14912145), (9, 8284525), (15, 4970715), (17, 4385925), (25, 2982429), (45, 1656905), (51, 1461975), (75, 994143), (85, 877185), (101, 738225), (153, 487325), (193, 386325), (225, 331381), (255, 292395), (303, 246075), (425, 175437), (505, 147645), (579, 128775), (765, 97465), (909, 82025), (965, 77265), (1275, 58479), (1515, 49215), (1717, 43425), (1737, 42925), (2525, 29529), (2895, 25755), (3281, 22725), (3825, 19493), (4545, 16405), (4825, 15453), (5151, 14475), (7575, 9843), (8585, 8685)]