131005680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:439

約数の個数: 160

約数和(自身を含む): 441638400

約数和(自身を除く): 310632720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 199, 208, 211, 240, 260, 312, 390, 398, 422, 520, 597, 624, 633, 780, 796, 844, 995, 1040, 1055, 1194, 1266, 1560, 1592, 1688, 1990, 2110, 2388, 2532, 2587, 2743, 2985, 3120, 3165, 3184, 3376, 3980, 4220, 4776, 5064, 5174, 5486, 5970, 6330, 7761, 7960, 8229, 8440, 9552, 10128, 10348, 10972, 11940, 12660, 12935, 13715, 15522, 15920, 16458, 16880, 20696, 21944, 23880, 25320, 25870, 27430, 31044, 32916, 38805, 41145, 41392, 41989, 43888, 47760, 50640, 51740, 54860, 62088, 65832, 77610, 82290, 83978, 103480, 109720, 124176, 125967, 131664, 155220, 164580, 167956, 206960, 209945, 219440, 251934, 310440, 329160, 335912, 419890, 503868, 545857, 620880, 629835, 658320, 671824, 839780, 1007736, 1091714, 1259670, 1637571, 1679560, 2015472, 2183428, 2519340, 2729285, 3275142, 3359120, 4366856, 5038680, 5458570, 6550284, 8187855, 8733712, 10077360, 10917140, 13100568, 16375710, 21834280, 26201136, 32751420, 43668560, 65502840, 131005680]

約数ペア:

[(1, 131005680), (2, 65502840), (3, 43668560), (4, 32751420), (5, 26201136), (6, 21834280), (8, 16375710), (10, 13100568), (12, 10917140), (13, 10077360), (15, 8733712), (16, 8187855), (20, 6550284), (24, 5458570), (26, 5038680), (30, 4366856), (39, 3359120), (40, 3275142), (48, 2729285), (52, 2519340), (60, 2183428), (65, 2015472), (78, 1679560), (80, 1637571), (104, 1259670), (120, 1091714), (130, 1007736), (156, 839780), (195, 671824), (199, 658320), (208, 629835), (211, 620880), (240, 545857), (260, 503868), (312, 419890), (390, 335912), (398, 329160), (422, 310440), (520, 251934), (597, 219440), (624, 209945), (633, 206960), (780, 167956), (796, 164580), (844, 155220), (995, 131664), (1040, 125967), (1055, 124176), (1194, 109720), (1266, 103480), (1560, 83978), (1592, 82290), (1688, 77610), (1990, 65832), (2110, 62088), (2388, 54860), (2532, 51740), (2587, 50640), (2743, 47760), (2985, 43888), (3120, 41989), (3165, 41392), (3184, 41145), (3376, 38805), (3980, 32916), (4220, 31044), (4776, 27430), (5064, 25870), (5174, 25320), (5486, 23880), (5970, 21944), (6330, 20696), (7761, 16880), (7960, 16458), (8229, 15920), (8440, 15522), (9552, 13715), (10128, 12935), (10348, 12660), (10972, 11940)]