28251000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 99047520

約数和(自身を除く): 70796520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 73, 75, 86, 90, 100, 120, 125, 129, 146, 150, 172, 180, 200, 215, 219, 225, 250, 258, 292, 300, 344, 360, 365, 375, 387, 430, 438, 450, 500, 516, 584, 600, 645, 657, 730, 750, 774, 860, 876, 900, 1000, 1032, 1075, 1095, 1125, 1290, 1314, 1460, 1500, 1548, 1720, 1752, 1800, 1825, 1935, 2150, 2190, 2250, 2580, 2628, 2920, 3000, 3096, 3139, 3225, 3285, 3650, 3870, 4300, 4380, 4500, 5160, 5256, 5375, 5475, 6278, 6450, 6570, 7300, 7740, 8600, 8760, 9000, 9125, 9417, 9675, 10750, 10950, 12556, 12900, 13140, 14600, 15480, 15695, 16125, 16425, 18250, 18834, 19350, 21500, 21900, 25112, 25800, 26280, 27375, 28251, 31390, 32250, 32850, 36500, 37668, 38700, 43000, 43800, 47085, 48375, 54750, 56502, 62780, 64500, 65700, 73000, 75336, 77400, 78475, 82125, 94170, 96750, 109500, 113004, 125560, 129000, 131400, 141255, 156950, 164250, 188340, 193500, 219000, 226008, 235425, 282510, 313900, 328500, 376680, 387000, 392375, 470850, 565020, 627800, 657000, 706275, 784750, 941700, 1130040, 1177125, 1412550, 1569500, 1883400, 2354250, 2825100, 3139000, 3531375, 4708500, 5650200, 7062750, 9417000, 14125500, 28251000]

約数ペア:

[(1, 28251000), (2, 14125500), (3, 9417000), (4, 7062750), (5, 5650200), (6, 4708500), (8, 3531375), (9, 3139000), (10, 2825100), (12, 2354250), (15, 1883400), (18, 1569500), (20, 1412550), (24, 1177125), (25, 1130040), (30, 941700), (36, 784750), (40, 706275), (43, 657000), (45, 627800), (50, 565020), (60, 470850), (72, 392375), (73, 387000), (75, 376680), (86, 328500), (90, 313900), (100, 282510), (120, 235425), (125, 226008), (129, 219000), (146, 193500), (150, 188340), (172, 164250), (180, 156950), (200, 141255), (215, 131400), (219, 129000), (225, 125560), (250, 113004), (258, 109500), (292, 96750), (300, 94170), (344, 82125), (360, 78475), (365, 77400), (375, 75336), (387, 73000), (430, 65700), (438, 64500), (450, 62780), (500, 56502), (516, 54750), (584, 48375), (600, 47085), (645, 43800), (657, 43000), (730, 38700), (750, 37668), (774, 36500), (860, 32850), (876, 32250), (900, 31390), (1000, 28251), (1032, 27375), (1075, 26280), (1095, 25800), (1125, 25112), (1290, 21900), (1314, 21500), (1460, 19350), (1500, 18834), (1548, 18250), (1720, 16425), (1752, 16125), (1800, 15695), (1825, 15480), (1935, 14600), (2150, 13140), (2190, 12900), (2250, 12556), (2580, 10950), (2628, 10750), (2920, 9675), (3000, 9417), (3096, 9125), (3139, 9000), (3225, 8760), (3285, 8600), (3650, 7740), (3870, 7300), (4300, 6570), (4380, 6450), (4500, 6278), (5160, 5475), (5256, 5375)]