1320161248

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{20393}}^1$

素因数の和:20444

約数の個数: 72

約数和(自身を含む): 3155522832

約数和(自身を除く): 1835361584

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 476, 544, 578, 952, 1156, 1904, 2023, 2312, 3808, 4046, 4624, 8092, 9248, 16184, 20393, 32368, 40786, 64736, 81572, 142751, 163144, 285502, 326288, 346681, 571004, 652576, 693362, 1142008, 1386724, 2284016, 2426767, 2773448, 4568032, 4853534, 5546896, 5893577, 9707068, 11093792, 11787154, 19414136, 23574308, 38828272, 41255039, 47148616, 77656544, 82510078, 94297232, 165020156, 188594464, 330040312, 660080624, 1320161248]

約数ペア:

[(1, 1320161248), (2, 660080624), (4, 330040312), (7, 188594464), (8, 165020156), (14, 94297232), (16, 82510078), (17, 77656544), (28, 47148616), (32, 41255039), (34, 38828272), (56, 23574308), (68, 19414136), (112, 11787154), (119, 11093792), (136, 9707068), (224, 5893577), (238, 5546896), (272, 4853534), (289, 4568032), (476, 2773448), (544, 2426767), (578, 2284016), (952, 1386724), (1156, 1142008), (1904, 693362), (2023, 652576), (2312, 571004), (3808, 346681), (4046, 326288), (4624, 285502), (8092, 163144), (9248, 142751), (16184, 81572), (20393, 64736), (32368, 40786)]