319491720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20639}}^1$

素因数の和:20699

約数の個数: 96

約数和(自身を含む): 1062547200

約数和(自身を除く): 743055480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 7740, 15480, 20639, 41278, 61917, 82556, 103195, 123834, 165112, 185751, 206390, 247668, 309585, 371502, 412780, 495336, 619170, 743004, 825560, 887477, 928755, 1238340, 1486008, 1774954, 1857510, 2476680, 2662431, 3549908, 3715020, 4437385, 5324862, 7099816, 7430040, 7987293, 8874770, 10649724, 13312155, 15974586, 17749540, 21299448, 26624310, 31949172, 35499080, 39936465, 53248620, 63898344, 79872930, 106497240, 159745860, 319491720]

約数ペア:

[(1, 319491720), (2, 159745860), (3, 106497240), (4, 79872930), (5, 63898344), (6, 53248620), (8, 39936465), (9, 35499080), (10, 31949172), (12, 26624310), (15, 21299448), (18, 17749540), (20, 15974586), (24, 13312155), (30, 10649724), (36, 8874770), (40, 7987293), (43, 7430040), (45, 7099816), (60, 5324862), (72, 4437385), (86, 3715020), (90, 3549908), (120, 2662431), (129, 2476680), (172, 1857510), (180, 1774954), (215, 1486008), (258, 1238340), (344, 928755), (360, 887477), (387, 825560), (430, 743004), (516, 619170), (645, 495336), (774, 412780), (860, 371502), (1032, 309585), (1290, 247668), (1548, 206390), (1720, 185751), (1935, 165112), (2580, 123834), (3096, 103195), (3870, 82556), (5160, 61917), (7740, 41278), (15480, 20639)]