278086120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1395

約数の個数: 96

約数和(自身を含む): 699909120

約数和(自身を除く): 421823000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 520, 620, 676, 806, 845, 1240, 1327, 1352, 1612, 1690, 2015, 2654, 3224, 3380, 4030, 5239, 5308, 6635, 6760, 8060, 10478, 10616, 13270, 16120, 17251, 20956, 26195, 26540, 34502, 41137, 41912, 52390, 53080, 69004, 82274, 86255, 104780, 138008, 164548, 172510, 205685, 209560, 224263, 329096, 345020, 411370, 448526, 534781, 690040, 822740, 897052, 1069562, 1121315, 1645480, 1794104, 2139124, 2242630, 2673905, 4278248, 4485260, 5347810, 6952153, 8970520, 10695620, 13904306, 21391240, 27808612, 34760765, 55617224, 69521530, 139043060, 278086120]

約数ペア:

[(1, 278086120), (2, 139043060), (4, 69521530), (5, 55617224), (8, 34760765), (10, 27808612), (13, 21391240), (20, 13904306), (26, 10695620), (31, 8970520), (40, 6952153), (52, 5347810), (62, 4485260), (65, 4278248), (104, 2673905), (124, 2242630), (130, 2139124), (155, 1794104), (169, 1645480), (248, 1121315), (260, 1069562), (310, 897052), (338, 822740), (403, 690040), (520, 534781), (620, 448526), (676, 411370), (806, 345020), (845, 329096), (1240, 224263), (1327, 209560), (1352, 205685), (1612, 172510), (1690, 164548), (2015, 138008), (2654, 104780), (3224, 86255), (3380, 82274), (4030, 69004), (5239, 53080), (5308, 52390), (6635, 41912), (6760, 41137), (8060, 34502), (10478, 26540), (10616, 26195), (13270, 20956), (16120, 17251)]