305349240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21383}}^1$

素因数の和:21421

約数の個数: 128

約数和(自身を含む): 1108546560

約数和(自身を除く): 803197320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 21383, 42766, 64149, 85532, 106915, 128298, 149681, 171064, 213830, 256596, 299362, 320745, 363511, 427660, 449043, 513192, 598724, 641490, 727022, 748405, 855320, 898086, 1090533, 1197448, 1282980, 1454044, 1496810, 1796172, 1817555, 2181066, 2245215, 2544577, 2565960, 2908088, 2993620, 3592344, 3635110, 4362132, 4490430, 5089154, 5452665, 5987240, 7270220, 7633731, 8724264, 8980860, 10178308, 10905330, 12722885, 14540440, 15267462, 17961720, 20356616, 21810660, 25445770, 30534924, 38168655, 43621320, 50891540, 61069848, 76337310, 101783080, 152674620, 305349240]

約数ペア:

[(1, 305349240), (2, 152674620), (3, 101783080), (4, 76337310), (5, 61069848), (6, 50891540), (7, 43621320), (8, 38168655), (10, 30534924), (12, 25445770), (14, 21810660), (15, 20356616), (17, 17961720), (20, 15267462), (21, 14540440), (24, 12722885), (28, 10905330), (30, 10178308), (34, 8980860), (35, 8724264), (40, 7633731), (42, 7270220), (51, 5987240), (56, 5452665), (60, 5089154), (68, 4490430), (70, 4362132), (84, 3635110), (85, 3592344), (102, 2993620), (105, 2908088), (119, 2565960), (120, 2544577), (136, 2245215), (140, 2181066), (168, 1817555), (170, 1796172), (204, 1496810), (210, 1454044), (238, 1282980), (255, 1197448), (280, 1090533), (340, 898086), (357, 855320), (408, 748405), (420, 727022), (476, 641490), (510, 598724), (595, 513192), (680, 449043), (714, 427660), (840, 363511), (952, 320745), (1020, 299362), (1190, 256596), (1428, 213830), (1785, 171064), (2040, 149681), (2380, 128298), (2856, 106915), (3570, 85532), (4760, 64149), (7140, 42766), (14280, 21383)]