1282500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 120

約数和(自身を含む): 4373600

約数和(自身を除く): 3091100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 125, 135, 150, 171, 180, 190, 225, 228, 250, 270, 285, 300, 342, 375, 380, 450, 475, 500, 513, 540, 570, 625, 675, 684, 750, 855, 900, 950, 1026, 1125, 1140, 1250, 1350, 1425, 1500, 1710, 1875, 1900, 2052, 2250, 2375, 2500, 2565, 2700, 2850, 3375, 3420, 3750, 4275, 4500, 4750, 5130, 5625, 5700, 6750, 7125, 7500, 8550, 9500, 10260, 11250, 11875, 12825, 13500, 14250, 16875, 17100, 21375, 22500, 23750, 25650, 28500, 33750, 35625, 42750, 47500, 51300, 64125, 67500, 71250, 85500, 106875, 128250, 142500, 213750, 256500, 320625, 427500, 641250, 1282500]

約数ペア:

[(1, 1282500), (2, 641250), (3, 427500), (4, 320625), (5, 256500), (6, 213750), (9, 142500), (10, 128250), (12, 106875), (15, 85500), (18, 71250), (19, 67500), (20, 64125), (25, 51300), (27, 47500), (30, 42750), (36, 35625), (38, 33750), (45, 28500), (50, 25650), (54, 23750), (57, 22500), (60, 21375), (75, 17100), (76, 16875), (90, 14250), (95, 13500), (100, 12825), (108, 11875), (114, 11250), (125, 10260), (135, 9500), (150, 8550), (171, 7500), (180, 7125), (190, 6750), (225, 5700), (228, 5625), (250, 5130), (270, 4750), (285, 4500), (300, 4275), (342, 3750), (375, 3420), (380, 3375), (450, 2850), (475, 2700), (500, 2565), (513, 2500), (540, 2375), (570, 2250), (625, 2052), (675, 1900), (684, 1875), (750, 1710), (855, 1500), (900, 1425), (950, 1350), (1026, 1250), (1125, 1140)]