16518880

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 120

約数和(自身を含む): 46586232

約数和(自身を除く): 30067352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 343, 344, 392, 430, 490, 560, 602, 686, 688, 784, 860, 980, 1120, 1204, 1372, 1376, 1505, 1568, 1715, 1720, 1960, 2107, 2401, 2408, 2744, 3010, 3430, 3440, 3920, 4214, 4802, 4816, 5488, 6020, 6860, 6880, 7840, 8428, 9604, 9632, 10535, 10976, 12005, 12040, 13720, 14749, 16856, 19208, 21070, 24010, 24080, 27440, 29498, 33712, 38416, 42140, 48020, 48160, 54880, 58996, 67424, 73745, 76832, 84280, 96040, 103243, 117992, 147490, 168560, 192080, 206486, 235984, 294980, 337120, 384160, 412972, 471968, 516215, 589960, 825944, 1032430, 1179920, 1651888, 2064860, 2359840, 3303776, 4129720, 8259440, 16518880]

約数ペア:

[(1, 16518880), (2, 8259440), (4, 4129720), (5, 3303776), (7, 2359840), (8, 2064860), (10, 1651888), (14, 1179920), (16, 1032430), (20, 825944), (28, 589960), (32, 516215), (35, 471968), (40, 412972), (43, 384160), (49, 337120), (56, 294980), (70, 235984), (80, 206486), (86, 192080), (98, 168560), (112, 147490), (140, 117992), (160, 103243), (172, 96040), (196, 84280), (215, 76832), (224, 73745), (245, 67424), (280, 58996), (301, 54880), (343, 48160), (344, 48020), (392, 42140), (430, 38416), (490, 33712), (560, 29498), (602, 27440), (686, 24080), (688, 24010), (784, 21070), (860, 19208), (980, 16856), (1120, 14749), (1204, 13720), (1372, 12040), (1376, 12005), (1505, 10976), (1568, 10535), (1715, 9632), (1720, 9604), (1960, 8428), (2107, 7840), (2401, 6880), (2408, 6860), (2744, 6020), (3010, 5488), (3430, 4816), (3440, 4802), (3920, 4214)]