128181900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 288

約数和(自身を含む): 479969280

約数和(自身を除く): 351787380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 31, 33, 35, 42, 44, 50, 55, 60, 62, 66, 70, 75, 77, 84, 93, 100, 105, 110, 124, 132, 140, 150, 154, 155, 165, 175, 179, 186, 210, 217, 220, 231, 275, 300, 308, 310, 330, 341, 350, 358, 372, 385, 420, 434, 462, 465, 525, 537, 550, 620, 651, 660, 682, 700, 716, 770, 775, 825, 868, 895, 924, 930, 1023, 1050, 1074, 1085, 1100, 1155, 1253, 1302, 1364, 1540, 1550, 1650, 1705, 1790, 1860, 1925, 1969, 2046, 2100, 2148, 2170, 2310, 2325, 2387, 2506, 2604, 2685, 3100, 3255, 3300, 3410, 3580, 3759, 3850, 3938, 4092, 4340, 4475, 4620, 4650, 4774, 5012, 5115, 5370, 5425, 5549, 5775, 5907, 6265, 6510, 6820, 7161, 7518, 7700, 7876, 8525, 8950, 9300, 9548, 9845, 10230, 10740, 10850, 11098, 11550, 11814, 11935, 12530, 13020, 13425, 13783, 14322, 15036, 16275, 16647, 17050, 17900, 18795, 19690, 20460, 21700, 22196, 23100, 23628, 23870, 25060, 25575, 26850, 27566, 27745, 28644, 29535, 31325, 32550, 33294, 34100, 35805, 37590, 38843, 39380, 41349, 47740, 49225, 51150, 53700, 55132, 55490, 59070, 59675, 61039, 62650, 65100, 66588, 68915, 71610, 75180, 77686, 82698, 83235, 93975, 98450, 102300, 110980, 116529, 118140, 119350, 122078, 125300, 137830, 138725, 143220, 147675, 155372, 165396, 166470, 179025, 183117, 187950, 194215, 196900, 206745, 233058, 238700, 244156, 275660, 277450, 295350, 305195, 332940, 344575, 358050, 366234, 375900, 388430, 413490, 416175, 427273, 466116, 554900, 582645, 590700, 610390, 689150, 716100, 732468, 776860, 826980, 832350, 854546, 915585, 971075, 1033725, 1165290, 1220780, 1281819, 1378300, 1525975, 1664700, 1709092, 1831170, 1942150, 2067450, 2136365, 2330580, 2563638, 2913225, 3051950, 3662340, 3884300, 4134900, 4272730, 4577925, 5127276, 5826450, 6103900, 6409095, 8545460, 9155850, 10681825, 11652900, 12818190, 18311700, 21363650, 25636380, 32045475, 42727300, 64090950, 128181900]

約数ペア:

[(1, 128181900), (2, 64090950), (3, 42727300), (4, 32045475), (5, 25636380), (6, 21363650), (7, 18311700), (10, 12818190), (11, 11652900), (12, 10681825), (14, 9155850), (15, 8545460), (20, 6409095), (21, 6103900), (22, 5826450), (25, 5127276), (28, 4577925), (30, 4272730), (31, 4134900), (33, 3884300), (35, 3662340), (42, 3051950), (44, 2913225), (50, 2563638), (55, 2330580), (60, 2136365), (62, 2067450), (66, 1942150), (70, 1831170), (75, 1709092), (77, 1664700), (84, 1525975), (93, 1378300), (100, 1281819), (105, 1220780), (110, 1165290), (124, 1033725), (132, 971075), (140, 915585), (150, 854546), (154, 832350), (155, 826980), (165, 776860), (175, 732468), (179, 716100), (186, 689150), (210, 610390), (217, 590700), (220, 582645), (231, 554900), (275, 466116), (300, 427273), (308, 416175), (310, 413490), (330, 388430), (341, 375900), (350, 366234), (358, 358050), (372, 344575), (385, 332940), (420, 305195), (434, 295350), (462, 277450), (465, 275660), (525, 244156), (537, 238700), (550, 233058), (620, 206745), (651, 196900), (660, 194215), (682, 187950), (700, 183117), (716, 179025), (770, 166470), (775, 165396), (825, 155372), (868, 147675), (895, 143220), (924, 138725), (930, 137830), (1023, 125300), (1050, 122078), (1074, 119350), (1085, 118140), (1100, 116529), (1155, 110980), (1253, 102300), (1302, 98450), (1364, 93975), (1540, 83235), (1550, 82698), (1650, 77686), (1705, 75180), (1790, 71610), (1860, 68915), (1925, 66588), (1969, 65100), (2046, 62650), (2100, 61039), (2148, 59675), (2170, 59070), (2310, 55490), (2325, 55132), (2387, 53700), (2506, 51150), (2604, 49225), (2685, 47740), (3100, 41349), (3255, 39380), (3300, 38843), (3410, 37590), (3580, 35805), (3759, 34100), (3850, 33294), (3938, 32550), (4092, 31325), (4340, 29535), (4475, 28644), (4620, 27745), (4650, 27566), (4774, 26850), (5012, 25575), (5115, 25060), (5370, 23870), (5425, 23628), (5549, 23100), (5775, 22196), (5907, 21700), (6265, 20460), (6510, 19690), (6820, 18795), (7161, 17900), (7518, 17050), (7700, 16647), (7876, 16275), (8525, 15036), (8950, 14322), (9300, 13783), (9548, 13425), (9845, 13020), (10230, 12530), (10740, 11935), (10850, 11814), (11098, 11550)]