82405680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:475

約数の個数: 160

約数和(自身を含む): 294647808

約数和(自身を除く): 212242128

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, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 181, 210, 240, 271, 280, 336, 362, 420, 542, 543, 560, 724, 813, 840, 905, 1084, 1086, 1267, 1355, 1448, 1626, 1680, 1810, 1897, 2168, 2172, 2534, 2710, 2715, 2896, 3252, 3620, 3794, 3801, 4065, 4336, 4344, 5068, 5420, 5430, 5691, 6335, 6504, 7240, 7588, 7602, 8130, 8688, 9485, 10136, 10840, 10860, 11382, 12670, 13008, 14480, 15176, 15204, 16260, 18970, 19005, 20272, 21680, 21720, 22764, 25340, 28455, 30352, 30408, 32520, 37940, 38010, 43440, 45528, 49051, 50680, 56910, 60816, 65040, 75880, 76020, 91056, 98102, 101360, 113820, 147153, 151760, 152040, 196204, 227640, 245255, 294306, 304080, 343357, 392408, 455280, 490510, 588612, 686714, 735765, 784816, 981020, 1030071, 1177224, 1373428, 1471530, 1716785, 1962040, 2060142, 2354448, 2746856, 2943060, 3433570, 3924080, 4120284, 5150355, 5493712, 5886120, 6867140, 8240568, 10300710, 11772240, 13734280, 16481136, 20601420, 27468560, 41202840, 82405680]

約数ペア:

[(1, 82405680), (2, 41202840), (3, 27468560), (4, 20601420), (5, 16481136), (6, 13734280), (7, 11772240), (8, 10300710), (10, 8240568), (12, 6867140), (14, 5886120), (15, 5493712), (16, 5150355), (20, 4120284), (21, 3924080), (24, 3433570), (28, 2943060), (30, 2746856), (35, 2354448), (40, 2060142), (42, 1962040), (48, 1716785), (56, 1471530), (60, 1373428), (70, 1177224), (80, 1030071), (84, 981020), (105, 784816), (112, 735765), (120, 686714), (140, 588612), (168, 490510), (181, 455280), (210, 392408), (240, 343357), (271, 304080), (280, 294306), (336, 245255), (362, 227640), (420, 196204), (542, 152040), (543, 151760), (560, 147153), (724, 113820), (813, 101360), (840, 98102), (905, 91056), (1084, 76020), (1086, 75880), (1267, 65040), (1355, 60816), (1448, 56910), (1626, 50680), (1680, 49051), (1810, 45528), (1897, 43440), (2168, 38010), (2172, 37940), (2534, 32520), (2710, 30408), (2715, 30352), (2896, 28455), (3252, 25340), (3620, 22764), (3794, 21720), (3801, 21680), (4065, 20272), (4336, 19005), (4344, 18970), (5068, 16260), (5420, 15204), (5430, 15176), (5691, 14480), (6335, 13008), (6504, 12670), (7240, 11382), (7588, 10860), (7602, 10840), (8130, 10136), (8688, 9485)]