38978595760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{2083}}^1$

素因数の和:3075

約数の個数: 160

約数和(自身を含む): 102890914560

約数和(自身を除く): 63912318800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 947, 988, 1040, 1235, 1520, 1894, 1976, 2083, 2470, 3788, 3952, 4166, 4735, 4940, 7576, 8332, 9470, 9880, 10415, 12311, 15152, 16664, 17993, 18940, 19760, 20830, 24622, 27079, 33328, 35986, 37880, 39577, 41660, 49244, 54158, 61555, 71972, 75760, 79154, 83320, 89965, 98488, 108316, 123110, 135395, 143944, 158308, 166640, 179930, 196976, 197885, 216632, 233909, 246220, 270790, 287888, 316616, 359860, 395770, 433264, 467818, 492440, 514501, 541580, 633232, 719720, 791540, 935636, 984880, 1029002, 1083160, 1169545, 1439440, 1583080, 1871272, 1972601, 2058004, 2166320, 2339090, 2572505, 3166160, 3742544, 3945202, 4116008, 4678180, 5145010, 7890404, 8232016, 9356360, 9863005, 10290020, 15780808, 18712720, 19726010, 20580040, 25643813, 31561616, 37479419, 39452020, 41160080, 51287626, 74958838, 78904040, 102575252, 128219065, 149917676, 157808080, 187397095, 205150504, 256438130, 299835352, 374794190, 410301008, 487232447, 512876260, 599670704, 749588380, 974464894, 1025752520, 1499176760, 1948929788, 2051505040, 2436162235, 2998353520, 3897859576, 4872324470, 7795719152, 9744648940, 19489297880, 38978595760]

約数ペア:

[(1, 38978595760), (2, 19489297880), (4, 9744648940), (5, 7795719152), (8, 4872324470), (10, 3897859576), (13, 2998353520), (16, 2436162235), (19, 2051505040), (20, 1948929788), (26, 1499176760), (38, 1025752520), (40, 974464894), (52, 749588380), (65, 599670704), (76, 512876260), (80, 487232447), (95, 410301008), (104, 374794190), (130, 299835352), (152, 256438130), (190, 205150504), (208, 187397095), (247, 157808080), (260, 149917676), (304, 128219065), (380, 102575252), (494, 78904040), (520, 74958838), (760, 51287626), (947, 41160080), (988, 39452020), (1040, 37479419), (1235, 31561616), (1520, 25643813), (1894, 20580040), (1976, 19726010), (2083, 18712720), (2470, 15780808), (3788, 10290020), (3952, 9863005), (4166, 9356360), (4735, 8232016), (4940, 7890404), (7576, 5145010), (8332, 4678180), (9470, 4116008), (9880, 3945202), (10415, 3742544), (12311, 3166160), (15152, 2572505), (16664, 2339090), (17993, 2166320), (18940, 2058004), (19760, 1972601), (20830, 1871272), (24622, 1583080), (27079, 1439440), (33328, 1169545), (35986, 1083160), (37880, 1029002), (39577, 984880), (41660, 935636), (49244, 791540), (54158, 719720), (61555, 633232), (71972, 541580), (75760, 514501), (79154, 492440), (83320, 467818), (89965, 433264), (98488, 395770), (108316, 359860), (123110, 316616), (135395, 287888), (143944, 270790), (158308, 246220), (166640, 233909), (179930, 216632), (196976, 197885)]