161276640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{6857}}^1$

素因数の和:6889

約数の個数: 144

約数和(自身を含む): 591049872

約数和(自身を除く): 429773232

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, 6857, 7840, 11760, 13714, 20571, 23520, 27428, 34285, 41142, 47999, 54856, 68570, 82284, 95998, 102855, 109712, 137140, 143997, 164568, 191996, 205710, 219424, 239995, 274280, 287994, 329136, 335993, 383992, 411420, 479990, 548560, 575988, 658272, 671986, 719985, 767984, 822840, 959980, 1007979, 1097120, 1151976, 1343972, 1439970, 1535968, 1645680, 1679965, 1919960, 2015958, 2303952, 2687944, 2879940, 3291360, 3359930, 3839920, 4031916, 4607904, 5039895, 5375888, 5759880, 6719860, 7679840, 8063832, 10079790, 10751776, 11519760, 13439720, 16127664, 20159580, 23039520, 26879440, 32255328, 40319160, 53758880, 80638320, 161276640]

約数ペア:

[(1, 161276640), (2, 80638320), (3, 53758880), (4, 40319160), (5, 32255328), (6, 26879440), (7, 23039520), (8, 20159580), (10, 16127664), (12, 13439720), (14, 11519760), (15, 10751776), (16, 10079790), (20, 8063832), (21, 7679840), (24, 6719860), (28, 5759880), (30, 5375888), (32, 5039895), (35, 4607904), (40, 4031916), (42, 3839920), (48, 3359930), (49, 3291360), (56, 2879940), (60, 2687944), (70, 2303952), (80, 2015958), (84, 1919960), (96, 1679965), (98, 1645680), (105, 1535968), (112, 1439970), (120, 1343972), (140, 1151976), (147, 1097120), (160, 1007979), (168, 959980), (196, 822840), (210, 767984), (224, 719985), (240, 671986), (245, 658272), (280, 575988), (294, 548560), (336, 479990), (392, 411420), (420, 383992), (480, 335993), (490, 329136), (560, 287994), (588, 274280), (672, 239995), (735, 219424), (784, 205710), (840, 191996), (980, 164568), (1120, 143997), (1176, 137140), (1470, 109712), (1568, 102855), (1680, 95998), (1960, 82284), (2352, 68570), (2940, 54856), (3360, 47999), (3920, 41142), (4704, 34285), (5880, 27428), (6857, 23520), (7840, 20571), (11760, 13714)]