220162500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 739327680

約数和(自身を除く): 519165180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 103, 114, 125, 150, 171, 180, 190, 206, 225, 228, 250, 285, 300, 309, 342, 375, 380, 412, 450, 475, 500, 515, 570, 618, 625, 684, 750, 855, 900, 927, 950, 1030, 1125, 1140, 1236, 1250, 1425, 1500, 1545, 1710, 1854, 1875, 1900, 1957, 2060, 2250, 2375, 2500, 2575, 2850, 3090, 3125, 3420, 3708, 3750, 3914, 4275, 4500, 4635, 4750, 5150, 5625, 5700, 5871, 6180, 6250, 7125, 7500, 7725, 7828, 8550, 9270, 9375, 9500, 9785, 10300, 11250, 11742, 11875, 12500, 12875, 14250, 15450, 17100, 17613, 18540, 18750, 19570, 21375, 22500, 23175, 23484, 23750, 25750, 28125, 28500, 29355, 30900, 35226, 35625, 37500, 38625, 39140, 42750, 46350, 47500, 48925, 51500, 56250, 58710, 59375, 64375, 70452, 71250, 77250, 85500, 88065, 92700, 97850, 106875, 112500, 115875, 117420, 118750, 128750, 142500, 146775, 154500, 176130, 178125, 193125, 195700, 213750, 231750, 237500, 244625, 257500, 293550, 321875, 352260, 356250, 386250, 427500, 440325, 463500, 489250, 534375, 579375, 587100, 643750, 712500, 733875, 772500, 880650, 965625, 978500, 1068750, 1158750, 1223125, 1287500, 1467750, 1761300, 1931250, 2137500, 2201625, 2317500, 2446250, 2896875, 2935500, 3669375, 3862500, 4403250, 4892500, 5793750, 6115625, 7338750, 8806500, 11008125, 11587500, 12231250, 14677500, 18346875, 22016250, 24462500, 36693750, 44032500, 55040625, 73387500, 110081250, 220162500]

約数ペア:

[(1, 220162500), (2, 110081250), (3, 73387500), (4, 55040625), (5, 44032500), (6, 36693750), (9, 24462500), (10, 22016250), (12, 18346875), (15, 14677500), (18, 12231250), (19, 11587500), (20, 11008125), (25, 8806500), (30, 7338750), (36, 6115625), (38, 5793750), (45, 4892500), (50, 4403250), (57, 3862500), (60, 3669375), (75, 2935500), (76, 2896875), (90, 2446250), (95, 2317500), (100, 2201625), (103, 2137500), (114, 1931250), (125, 1761300), (150, 1467750), (171, 1287500), (180, 1223125), (190, 1158750), (206, 1068750), (225, 978500), (228, 965625), (250, 880650), (285, 772500), (300, 733875), (309, 712500), (342, 643750), (375, 587100), (380, 579375), (412, 534375), (450, 489250), (475, 463500), (500, 440325), (515, 427500), (570, 386250), (618, 356250), (625, 352260), (684, 321875), (750, 293550), (855, 257500), (900, 244625), (927, 237500), (950, 231750), (1030, 213750), (1125, 195700), (1140, 193125), (1236, 178125), (1250, 176130), (1425, 154500), (1500, 146775), (1545, 142500), (1710, 128750), (1854, 118750), (1875, 117420), (1900, 115875), (1957, 112500), (2060, 106875), (2250, 97850), (2375, 92700), (2500, 88065), (2575, 85500), (2850, 77250), (3090, 71250), (3125, 70452), (3420, 64375), (3708, 59375), (3750, 58710), (3914, 56250), (4275, 51500), (4500, 48925), (4635, 47500), (4750, 46350), (5150, 42750), (5625, 39140), (5700, 38625), (5871, 37500), (6180, 35625), (6250, 35226), (7125, 30900), (7500, 29355), (7725, 28500), (7828, 28125), (8550, 25750), (9270, 23750), (9375, 23484), (9500, 23175), (9785, 22500), (10300, 21375), (11250, 19570), (11742, 18750), (11875, 18540), (12500, 17613), (12875, 17100), (14250, 15450)]