21354720120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{47417}}^1$

素因数の和:47579

約数の個数: 160

約数和(自身を含む): 72293482800

約数和(自身を除く): 50938762680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 139, 162, 180, 216, 270, 278, 324, 360, 405, 417, 540, 556, 648, 695, 810, 834, 1080, 1112, 1251, 1390, 1620, 1668, 2085, 2502, 2780, 3240, 3336, 3753, 4170, 5004, 5560, 6255, 7506, 8340, 10008, 11259, 12510, 15012, 16680, 18765, 22518, 25020, 30024, 37530, 45036, 47417, 50040, 56295, 75060, 90072, 94834, 112590, 142251, 150120, 189668, 225180, 237085, 284502, 379336, 426753, 450360, 474170, 569004, 711255, 853506, 948340, 1138008, 1280259, 1422510, 1707012, 1896680, 2133765, 2560518, 2845020, 3414024, 3840777, 4267530, 5121036, 5690040, 6401295, 6590963, 7681554, 8535060, 10242072, 12802590, 13181926, 15363108, 17070120, 19203885, 19772889, 25605180, 26363852, 30726216, 32954815, 38407770, 39545778, 51210360, 52727704, 59318667, 65909630, 76815540, 79091556, 98864445, 118637334, 131819260, 153631080, 158183112, 177956001, 197728890, 237274668, 263638520, 296593335, 355912002, 395457780, 474549336, 533868003, 593186670, 711824004, 790915560, 889780005, 1067736006, 1186373340, 1423648008, 1779560010, 2135472012, 2372746680, 2669340015, 3559120020, 4270944024, 5338680030, 7118240040, 10677360060, 21354720120]

約数ペア:

[(1, 21354720120), (2, 10677360060), (3, 7118240040), (4, 5338680030), (5, 4270944024), (6, 3559120020), (8, 2669340015), (9, 2372746680), (10, 2135472012), (12, 1779560010), (15, 1423648008), (18, 1186373340), (20, 1067736006), (24, 889780005), (27, 790915560), (30, 711824004), (36, 593186670), (40, 533868003), (45, 474549336), (54, 395457780), (60, 355912002), (72, 296593335), (81, 263638520), (90, 237274668), (108, 197728890), (120, 177956001), (135, 158183112), (139, 153631080), (162, 131819260), (180, 118637334), (216, 98864445), (270, 79091556), (278, 76815540), (324, 65909630), (360, 59318667), (405, 52727704), (417, 51210360), (540, 39545778), (556, 38407770), (648, 32954815), (695, 30726216), (810, 26363852), (834, 25605180), (1080, 19772889), (1112, 19203885), (1251, 17070120), (1390, 15363108), (1620, 13181926), (1668, 12802590), (2085, 10242072), (2502, 8535060), (2780, 7681554), (3240, 6590963), (3336, 6401295), (3753, 5690040), (4170, 5121036), (5004, 4267530), (5560, 3840777), (6255, 3414024), (7506, 2845020), (8340, 2560518), (10008, 2133765), (11259, 1896680), (12510, 1707012), (15012, 1422510), (16680, 1280259), (18765, 1138008), (22518, 948340), (25020, 853506), (30024, 711255), (37530, 569004), (45036, 474170), (47417, 450360), (50040, 426753), (56295, 379336), (75060, 284502), (90072, 237085), (94834, 225180), (112590, 189668), (142251, 150120)]