81538500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2902

約数の個数: 96

約数和(自身を含む): 250024320

約数和(自身を除く): 168485820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 125, 150, 190, 228, 250, 285, 300, 375, 380, 475, 500, 570, 750, 950, 1140, 1425, 1500, 1900, 2375, 2850, 2861, 4750, 5700, 5722, 7125, 8583, 9500, 11444, 14250, 14305, 17166, 28500, 28610, 34332, 42915, 54359, 57220, 71525, 85830, 108718, 143050, 163077, 171660, 214575, 217436, 271795, 286100, 326154, 357625, 429150, 543590, 652308, 715250, 815385, 858300, 1072875, 1087180, 1358975, 1430500, 1630770, 2145750, 2717950, 3261540, 4076925, 4291500, 5435900, 6794875, 8153850, 13589750, 16307700, 20384625, 27179500, 40769250, 81538500]

約数ペア:

[(1, 81538500), (2, 40769250), (3, 27179500), (4, 20384625), (5, 16307700), (6, 13589750), (10, 8153850), (12, 6794875), (15, 5435900), (19, 4291500), (20, 4076925), (25, 3261540), (30, 2717950), (38, 2145750), (50, 1630770), (57, 1430500), (60, 1358975), (75, 1087180), (76, 1072875), (95, 858300), (100, 815385), (114, 715250), (125, 652308), (150, 543590), (190, 429150), (228, 357625), (250, 326154), (285, 286100), (300, 271795), (375, 217436), (380, 214575), (475, 171660), (500, 163077), (570, 143050), (750, 108718), (950, 85830), (1140, 71525), (1425, 57220), (1500, 54359), (1900, 42915), (2375, 34332), (2850, 28610), (2861, 28500), (4750, 17166), (5700, 14305), (5722, 14250), (7125, 11444), (8583, 9500)]