80638320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{6857}}^1$

素因数の和:6887

約数の個数: 120

約数和(自身を含む): 290834064

約数和(自身を除く): 210195744

約数列:

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

約数ペア:

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