128832900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2034

約数の個数: 144

約数和(自身を含む): 439971840

約数和(自身を除く): 311138940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 525, 620, 651, 700, 775, 868, 930, 1050, 1085, 1302, 1550, 1860, 1979, 2100, 2170, 2325, 2604, 3100, 3255, 3958, 4340, 4650, 5425, 5937, 6510, 7916, 9300, 9895, 10850, 11874, 13020, 13853, 16275, 19790, 21700, 23748, 27706, 29685, 32550, 39580, 41559, 49475, 55412, 59370, 61349, 65100, 69265, 83118, 98950, 118740, 122698, 138530, 148425, 166236, 184047, 197900, 207795, 245396, 277060, 296850, 306745, 346325, 368094, 415590, 429443, 593700, 613490, 692650, 736188, 831180, 858886, 920235, 1038975, 1226980, 1288329, 1385300, 1533725, 1717772, 1840470, 2077950, 2147215, 2576658, 3067450, 3680940, 4155900, 4294430, 4601175, 5153316, 6134900, 6441645, 8588860, 9202350, 10736075, 12883290, 18404700, 21472150, 25766580, 32208225, 42944300, 64416450, 128832900]

約数ペア:

[(1, 128832900), (2, 64416450), (3, 42944300), (4, 32208225), (5, 25766580), (6, 21472150), (7, 18404700), (10, 12883290), (12, 10736075), (14, 9202350), (15, 8588860), (20, 6441645), (21, 6134900), (25, 5153316), (28, 4601175), (30, 4294430), (31, 4155900), (35, 3680940), (42, 3067450), (50, 2576658), (60, 2147215), (62, 2077950), (70, 1840470), (75, 1717772), (84, 1533725), (93, 1385300), (100, 1288329), (105, 1226980), (124, 1038975), (140, 920235), (150, 858886), (155, 831180), (175, 736188), (186, 692650), (210, 613490), (217, 593700), (300, 429443), (310, 415590), (350, 368094), (372, 346325), (420, 306745), (434, 296850), (465, 277060), (525, 245396), (620, 207795), (651, 197900), (700, 184047), (775, 166236), (868, 148425), (930, 138530), (1050, 122698), (1085, 118740), (1302, 98950), (1550, 83118), (1860, 69265), (1979, 65100), (2100, 61349), (2170, 59370), (2325, 55412), (2604, 49475), (3100, 41559), (3255, 39580), (3958, 32550), (4340, 29685), (4650, 27706), (5425, 23748), (5937, 21700), (6510, 19790), (7916, 16275), (9300, 13853), (9895, 13020), (10850, 11874)]