320705880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1609}}^1$

素因数の和:1785

約数の個数: 128

約数和(自身を含む): 1057190400

約数和(自身を除く): 736484520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 151, 165, 220, 264, 302, 330, 440, 453, 604, 660, 755, 906, 1208, 1320, 1510, 1609, 1661, 1812, 2265, 3020, 3218, 3322, 3624, 4530, 4827, 4983, 6040, 6436, 6644, 8045, 8305, 9060, 9654, 9966, 12872, 13288, 16090, 16610, 17699, 18120, 19308, 19932, 24135, 24915, 32180, 33220, 35398, 38616, 39864, 48270, 49830, 53097, 64360, 66440, 70796, 88495, 96540, 99660, 106194, 141592, 176990, 193080, 199320, 212388, 242959, 265485, 353980, 424776, 485918, 530970, 707960, 728877, 971836, 1061940, 1214795, 1457754, 1943672, 2123880, 2429590, 2672549, 2915508, 3644385, 4859180, 5345098, 5831016, 7288770, 8017647, 9718360, 10690196, 13362745, 14577540, 16035294, 21380392, 26725490, 29155080, 32070588, 40088235, 53450980, 64141176, 80176470, 106901960, 160352940, 320705880]

約数ペア:

[(1, 320705880), (2, 160352940), (3, 106901960), (4, 80176470), (5, 64141176), (6, 53450980), (8, 40088235), (10, 32070588), (11, 29155080), (12, 26725490), (15, 21380392), (20, 16035294), (22, 14577540), (24, 13362745), (30, 10690196), (33, 9718360), (40, 8017647), (44, 7288770), (55, 5831016), (60, 5345098), (66, 4859180), (88, 3644385), (110, 2915508), (120, 2672549), (132, 2429590), (151, 2123880), (165, 1943672), (220, 1457754), (264, 1214795), (302, 1061940), (330, 971836), (440, 728877), (453, 707960), (604, 530970), (660, 485918), (755, 424776), (906, 353980), (1208, 265485), (1320, 242959), (1510, 212388), (1609, 199320), (1661, 193080), (1812, 176990), (2265, 141592), (3020, 106194), (3218, 99660), (3322, 96540), (3624, 88495), (4530, 70796), (4827, 66440), (4983, 64360), (6040, 53097), (6436, 49830), (6644, 48270), (8045, 39864), (8305, 38616), (9060, 35398), (9654, 33220), (9966, 32180), (12872, 24915), (13288, 24135), (16090, 19932), (16610, 19308), (17699, 18120)]