280712432

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1087

約数の個数: 160

約数和(自身を含む): 773950464

約数和(自身を除く): 493238032

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 17, 22, 26, 28, 34, 44, 52, 56, 68, 77, 88, 91, 104, 112, 119, 136, 143, 154, 176, 182, 187, 208, 221, 238, 272, 286, 308, 364, 374, 442, 476, 572, 616, 728, 748, 884, 952, 1001, 1031, 1144, 1232, 1309, 1456, 1496, 1547, 1768, 1904, 2002, 2062, 2288, 2431, 2618, 2992, 3094, 3536, 4004, 4124, 4862, 5236, 6188, 7217, 8008, 8248, 9724, 10472, 11341, 12376, 13403, 14434, 16016, 16496, 17017, 17527, 19448, 20944, 22682, 24752, 26806, 28868, 34034, 35054, 38896, 45364, 53612, 57736, 68068, 70108, 79387, 90728, 93821, 107224, 115472, 122689, 136136, 140216, 147433, 158774, 181456, 187642, 192797, 214448, 227851, 245378, 272272, 280432, 294866, 317548, 375284, 385594, 455702, 490756, 589732, 635096, 750568, 771188, 911404, 981512, 1032031, 1179464, 1270192, 1349579, 1501136, 1542376, 1594957, 1822808, 1963024, 2064062, 2358928, 2506361, 2699158, 3084752, 3189914, 3645616, 4128124, 5012722, 5398316, 6379828, 8256248, 10025444, 10796632, 12759656, 16512496, 17544527, 20050888, 21593264, 25519312, 35089054, 40101776, 70178108, 140356216, 280712432]

約数ペア:

[(1, 280712432), (2, 140356216), (4, 70178108), (7, 40101776), (8, 35089054), (11, 25519312), (13, 21593264), (14, 20050888), (16, 17544527), (17, 16512496), (22, 12759656), (26, 10796632), (28, 10025444), (34, 8256248), (44, 6379828), (52, 5398316), (56, 5012722), (68, 4128124), (77, 3645616), (88, 3189914), (91, 3084752), (104, 2699158), (112, 2506361), (119, 2358928), (136, 2064062), (143, 1963024), (154, 1822808), (176, 1594957), (182, 1542376), (187, 1501136), (208, 1349579), (221, 1270192), (238, 1179464), (272, 1032031), (286, 981512), (308, 911404), (364, 771188), (374, 750568), (442, 635096), (476, 589732), (572, 490756), (616, 455702), (728, 385594), (748, 375284), (884, 317548), (952, 294866), (1001, 280432), (1031, 272272), (1144, 245378), (1232, 227851), (1309, 214448), (1456, 192797), (1496, 187642), (1547, 181456), (1768, 158774), (1904, 147433), (2002, 140216), (2062, 136136), (2288, 122689), (2431, 115472), (2618, 107224), (2992, 93821), (3094, 90728), (3536, 79387), (4004, 70108), (4124, 68068), (4862, 57736), (5236, 53612), (6188, 45364), (7217, 38896), (8008, 35054), (8248, 34034), (9724, 28868), (10472, 26806), (11341, 24752), (12376, 22682), (13403, 20944), (14434, 19448), (16016, 17527), (16496, 17017)]