20377560280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{10723}}^1$

素因数の和:11369

約数の個数: 128

約数和(自身を含む): 57261012480

約数和(自身を除く): 36883452200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 617, 770, 1234, 1540, 2468, 3080, 3085, 4319, 4936, 6170, 6787, 8638, 10723, 12340, 13574, 17276, 21446, 21595, 24680, 27148, 33935, 34552, 42892, 43190, 47509, 53615, 54296, 67870, 75061, 85784, 86380, 95018, 107230, 117953, 135740, 150122, 172760, 190036, 214460, 235906, 237545, 271480, 300244, 375305, 380072, 428920, 471812, 475090, 589765, 600488, 750610, 825671, 943624, 950180, 1179530, 1501220, 1651342, 1900360, 2359060, 3002440, 3302684, 4128355, 4718120, 6605368, 6616091, 8256710, 13232182, 16513420, 26464364, 33026840, 33080455, 46312637, 52928728, 66160910, 72777001, 92625274, 132321820, 145554002, 185250548, 231563185, 264643640, 291108004, 363885005, 370501096, 463126370, 509439007, 582216008, 727770010, 926252740, 1018878014, 1455540020, 1852505480, 2037756028, 2547195035, 2911080040, 4075512056, 5094390070, 10188780140, 20377560280]

約数ペア:

[(1, 20377560280), (2, 10188780140), (4, 5094390070), (5, 4075512056), (7, 2911080040), (8, 2547195035), (10, 2037756028), (11, 1852505480), (14, 1455540020), (20, 1018878014), (22, 926252740), (28, 727770010), (35, 582216008), (40, 509439007), (44, 463126370), (55, 370501096), (56, 363885005), (70, 291108004), (77, 264643640), (88, 231563185), (110, 185250548), (140, 145554002), (154, 132321820), (220, 92625274), (280, 72777001), (308, 66160910), (385, 52928728), (440, 46312637), (616, 33080455), (617, 33026840), (770, 26464364), (1234, 16513420), (1540, 13232182), (2468, 8256710), (3080, 6616091), (3085, 6605368), (4319, 4718120), (4936, 4128355), (6170, 3302684), (6787, 3002440), (8638, 2359060), (10723, 1900360), (12340, 1651342), (13574, 1501220), (17276, 1179530), (21446, 950180), (21595, 943624), (24680, 825671), (27148, 750610), (33935, 600488), (34552, 589765), (42892, 475090), (43190, 471812), (47509, 428920), (53615, 380072), (54296, 375305), (67870, 300244), (75061, 271480), (85784, 237545), (86380, 235906), (95018, 214460), (107230, 190036), (117953, 172760), (135740, 150122)]