205025880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 642905280

約数和(自身を除く): 437879400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 120, 122, 148, 183, 185, 222, 244, 296, 305, 366, 370, 444, 488, 555, 610, 732, 740, 757, 888, 915, 1110, 1220, 1464, 1480, 1514, 1830, 2220, 2257, 2271, 2440, 3028, 3660, 3785, 4440, 4514, 4542, 6056, 6771, 7320, 7570, 9028, 9084, 11285, 11355, 13542, 15140, 18056, 18168, 22570, 22710, 27084, 28009, 30280, 33855, 45140, 45420, 46177, 54168, 56018, 67710, 84027, 90280, 90840, 92354, 112036, 135420, 138531, 140045, 168054, 184708, 224072, 230885, 270840, 277062, 280090, 336108, 369416, 420135, 461770, 554124, 560180, 672216, 692655, 840270, 923540, 1108248, 1120360, 1385310, 1680540, 1708549, 1847080, 2770620, 3361080, 3417098, 5125647, 5541240, 6834196, 8542745, 10251294, 13668392, 17085490, 20502588, 25628235, 34170980, 41005176, 51256470, 68341960, 102512940, 205025880]

約数ペア:

[(1, 205025880), (2, 102512940), (3, 68341960), (4, 51256470), (5, 41005176), (6, 34170980), (8, 25628235), (10, 20502588), (12, 17085490), (15, 13668392), (20, 10251294), (24, 8542745), (30, 6834196), (37, 5541240), (40, 5125647), (60, 3417098), (61, 3361080), (74, 2770620), (111, 1847080), (120, 1708549), (122, 1680540), (148, 1385310), (183, 1120360), (185, 1108248), (222, 923540), (244, 840270), (296, 692655), (305, 672216), (366, 560180), (370, 554124), (444, 461770), (488, 420135), (555, 369416), (610, 336108), (732, 280090), (740, 277062), (757, 270840), (888, 230885), (915, 224072), (1110, 184708), (1220, 168054), (1464, 140045), (1480, 138531), (1514, 135420), (1830, 112036), (2220, 92354), (2257, 90840), (2271, 90280), (2440, 84027), (3028, 67710), (3660, 56018), (3785, 54168), (4440, 46177), (4514, 45420), (4542, 45140), (6056, 33855), (6771, 30280), (7320, 28009), (7570, 27084), (9028, 22710), (9084, 22570), (11285, 18168), (11355, 18056), (13542, 15140)]