211656480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{8999}}^1$

素因数の和:9031

約数の個数: 144

約数和(自身を含む): 775656000

約数和(自身を除く): 563999520

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 8999, 11760, 17998, 23520, 26997, 35996, 44995, 53994, 62993, 71992, 89990, 107988, 125986, 134985, 143984, 179980, 188979, 215976, 251972, 269970, 287968, 314965, 359960, 377958, 431952, 440951, 503944, 539940, 629930, 719920, 755916, 863904, 881902, 944895, 1007888, 1079880, 1259860, 1322853, 1439840, 1511832, 1763804, 1889790, 2015776, 2159760, 2204755, 2519720, 2645706, 3023664, 3527608, 3779580, 4319520, 4409510, 5039440, 5291412, 6047328, 6614265, 7055216, 7559160, 8819020, 10078880, 10582824, 13228530, 14110432, 15118320, 17638040, 21165648, 26457060, 30236640, 35276080, 42331296, 52914120, 70552160, 105828240, 211656480]

約数ペア:

[(1, 211656480), (2, 105828240), (3, 70552160), (4, 52914120), (5, 42331296), (6, 35276080), (7, 30236640), (8, 26457060), (10, 21165648), (12, 17638040), (14, 15118320), (15, 14110432), (16, 13228530), (20, 10582824), (21, 10078880), (24, 8819020), (28, 7559160), (30, 7055216), (32, 6614265), (35, 6047328), (40, 5291412), (42, 5039440), (48, 4409510), (49, 4319520), (56, 3779580), (60, 3527608), (70, 3023664), (80, 2645706), (84, 2519720), (96, 2204755), (98, 2159760), (105, 2015776), (112, 1889790), (120, 1763804), (140, 1511832), (147, 1439840), (160, 1322853), (168, 1259860), (196, 1079880), (210, 1007888), (224, 944895), (240, 881902), (245, 863904), (280, 755916), (294, 719920), (336, 629930), (392, 539940), (420, 503944), (480, 440951), (490, 431952), (560, 377958), (588, 359960), (672, 314965), (735, 287968), (784, 269970), (840, 251972), (980, 215976), (1120, 188979), (1176, 179980), (1470, 143984), (1568, 134985), (1680, 125986), (1960, 107988), (2352, 89990), (2940, 71992), (3360, 62993), (3920, 53994), (4704, 44995), (5880, 35996), (7840, 26997), (8999, 23520), (11760, 17998)]