28247880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 91601280

約数和(自身を除く): 63353400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 170, 183, 204, 227, 244, 255, 305, 340, 366, 408, 454, 488, 510, 610, 680, 681, 732, 908, 915, 1020, 1037, 1135, 1220, 1362, 1464, 1816, 1830, 2040, 2074, 2270, 2440, 2724, 3111, 3405, 3660, 3859, 4148, 4540, 5185, 5448, 6222, 6810, 7320, 7718, 8296, 9080, 10370, 11577, 12444, 13620, 13847, 15436, 15555, 19295, 20740, 23154, 24888, 27240, 27694, 30872, 31110, 38590, 41480, 41541, 46308, 55388, 57885, 62220, 69235, 77180, 83082, 92616, 110776, 115770, 124440, 138470, 154360, 166164, 207705, 231540, 235399, 276940, 332328, 415410, 463080, 470798, 553880, 706197, 830820, 941596, 1176995, 1412394, 1661640, 1883192, 2353990, 2824788, 3530985, 4707980, 5649576, 7061970, 9415960, 14123940, 28247880]

約数ペア:

[(1, 28247880), (2, 14123940), (3, 9415960), (4, 7061970), (5, 5649576), (6, 4707980), (8, 3530985), (10, 2824788), (12, 2353990), (15, 1883192), (17, 1661640), (20, 1412394), (24, 1176995), (30, 941596), (34, 830820), (40, 706197), (51, 553880), (60, 470798), (61, 463080), (68, 415410), (85, 332328), (102, 276940), (120, 235399), (122, 231540), (136, 207705), (170, 166164), (183, 154360), (204, 138470), (227, 124440), (244, 115770), (255, 110776), (305, 92616), (340, 83082), (366, 77180), (408, 69235), (454, 62220), (488, 57885), (510, 55388), (610, 46308), (680, 41541), (681, 41480), (732, 38590), (908, 31110), (915, 30872), (1020, 27694), (1037, 27240), (1135, 24888), (1220, 23154), (1362, 20740), (1464, 19295), (1816, 15555), (1830, 15436), (2040, 13847), (2074, 13620), (2270, 12444), (2440, 11577), (2724, 10370), (3111, 9080), (3405, 8296), (3660, 7718), (3859, 7320), (4148, 6810), (4540, 6222), (5185, 5448)]