128250975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 231301168

約数和(自身を除く): 103050193

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 97, 183, 255, 289, 291, 305, 425, 485, 867, 915, 1037, 1275, 1445, 1455, 1525, 1649, 2425, 3111, 4335, 4575, 4947, 5185, 5917, 7225, 7275, 8245, 15555, 17629, 17751, 21675, 24735, 25925, 28033, 29585, 41225, 52887, 77775, 84099, 88145, 88755, 100589, 123675, 140165, 147925, 264435, 301767, 420495, 440725, 443775, 502945, 700825, 1322175, 1508835, 1710013, 2102475, 2514725, 5130039, 7544175, 8550065, 25650195, 42750325, 128250975]

約数ペア:

[(1, 128250975), (3, 42750325), (5, 25650195), (15, 8550065), (17, 7544175), (25, 5130039), (51, 2514725), (61, 2102475), (75, 1710013), (85, 1508835), (97, 1322175), (183, 700825), (255, 502945), (289, 443775), (291, 440725), (305, 420495), (425, 301767), (485, 264435), (867, 147925), (915, 140165), (1037, 123675), (1275, 100589), (1445, 88755), (1455, 88145), (1525, 84099), (1649, 77775), (2425, 52887), (3111, 41225), (4335, 29585), (4575, 28033), (4947, 25925), (5185, 24735), (5917, 21675), (7225, 17751), (7275, 17629), (8245, 15555)]