1981069440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{147401}}^1$

素因数の和:147430

約数の個数: 128

約数和(自身を含む): 7216801920

約数和(自身を除く): 5235732480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 147401, 294802, 442203, 589604, 737005, 884406, 1031807, 1179208, 1474010, 1768812, 2063614, 2211015, 2358416, 2948020, 3095421, 3537624, 4127228, 4422030, 4716832, 5159035, 5896040, 6190842, 7075248, 8254456, 8844060, 9433664, 10318070, 11792080, 12381684, 14150496, 15477105, 16508912, 17688120, 18867328, 20636140, 23584160, 24763368, 28300992, 30954210, 33017824, 35376240, 41272280, 47168320, 49526736, 56601984, 61908420, 66035648, 70752480, 82544560, 94336640, 99053472, 123816840, 132071296, 141504960, 165089120, 198106944, 247633680, 283009920, 330178240, 396213888, 495267360, 660356480, 990534720, 1981069440]

約数ペア:

[(1, 1981069440), (2, 990534720), (3, 660356480), (4, 495267360), (5, 396213888), (6, 330178240), (7, 283009920), (8, 247633680), (10, 198106944), (12, 165089120), (14, 141504960), (15, 132071296), (16, 123816840), (20, 99053472), (21, 94336640), (24, 82544560), (28, 70752480), (30, 66035648), (32, 61908420), (35, 56601984), (40, 49526736), (42, 47168320), (48, 41272280), (56, 35376240), (60, 33017824), (64, 30954210), (70, 28300992), (80, 24763368), (84, 23584160), (96, 20636140), (105, 18867328), (112, 17688120), (120, 16508912), (128, 15477105), (140, 14150496), (160, 12381684), (168, 11792080), (192, 10318070), (210, 9433664), (224, 8844060), (240, 8254456), (280, 7075248), (320, 6190842), (336, 5896040), (384, 5159035), (420, 4716832), (448, 4422030), (480, 4127228), (560, 3537624), (640, 3095421), (672, 2948020), (840, 2358416), (896, 2211015), (960, 2063614), (1120, 1768812), (1344, 1474010), (1680, 1179208), (1920, 1031807), (2240, 884406), (2688, 737005), (3360, 589604), (4480, 442203), (6720, 294802), (13440, 147401)]