53438220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 179026848

約数和(自身を除く): 125588628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 137, 165, 180, 197, 198, 220, 274, 330, 394, 396, 411, 495, 548, 591, 660, 685, 788, 822, 985, 990, 1182, 1233, 1370, 1507, 1644, 1773, 1970, 1980, 2055, 2167, 2364, 2466, 2740, 2955, 3014, 3546, 3940, 4110, 4334, 4521, 4932, 5910, 6028, 6165, 6501, 7092, 7535, 8220, 8668, 8865, 9042, 10835, 11820, 12330, 13002, 13563, 15070, 17730, 18084, 19503, 21670, 22605, 24660, 26004, 26989, 27126, 30140, 32505, 35460, 39006, 43340, 45210, 53978, 54252, 65010, 67815, 78012, 80967, 90420, 97515, 107956, 130020, 134945, 135630, 161934, 195030, 242901, 269890, 271260, 296879, 323868, 390060, 404835, 485802, 539780, 593758, 809670, 890637, 971604, 1187516, 1214505, 1484395, 1619340, 1781274, 2429010, 2671911, 2968790, 3562548, 4453185, 4858020, 5343822, 5937580, 8906370, 10687644, 13359555, 17812740, 26719110, 53438220]

約数ペア:

[(1, 53438220), (2, 26719110), (3, 17812740), (4, 13359555), (5, 10687644), (6, 8906370), (9, 5937580), (10, 5343822), (11, 4858020), (12, 4453185), (15, 3562548), (18, 2968790), (20, 2671911), (22, 2429010), (30, 1781274), (33, 1619340), (36, 1484395), (44, 1214505), (45, 1187516), (55, 971604), (60, 890637), (66, 809670), (90, 593758), (99, 539780), (110, 485802), (132, 404835), (137, 390060), (165, 323868), (180, 296879), (197, 271260), (198, 269890), (220, 242901), (274, 195030), (330, 161934), (394, 135630), (396, 134945), (411, 130020), (495, 107956), (548, 97515), (591, 90420), (660, 80967), (685, 78012), (788, 67815), (822, 65010), (985, 54252), (990, 53978), (1182, 45210), (1233, 43340), (1370, 39006), (1507, 35460), (1644, 32505), (1773, 30140), (1970, 27126), (1980, 26989), (2055, 26004), (2167, 24660), (2364, 22605), (2466, 21670), (2740, 19503), (2955, 18084), (3014, 17730), (3546, 15070), (3940, 13563), (4110, 13002), (4334, 12330), (4521, 11820), (4932, 10835), (5910, 9042), (6028, 8865), (6165, 8668), (6501, 8220), (7092, 7535)]