20815320960

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{516253}}^1$

素因数の和:516285

約数の個数: 192

約数和(自身を含む): 82146336480

約数和(自身を除く): 61331015520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 516253, 1032506, 1548759, 2065012, 2581265, 3097518, 3613771, 4130024, 4646277, 5162530, 6195036, 7227542, 7743795, 8260048, 9292554, 10325060, 10841313, 12390072, 14455084, 15487590, 16520096, 18068855, 18585108, 20650120, 21682626, 23231385, 24780144, 28910168, 30975180, 32523939, 33040192, 36137710, 37170216, 41300240, 43365252, 46462770, 49560288, 54206565, 57820336, 61950360, 65047878, 66080384, 72275420, 74340432, 82600480, 86730504, 92925540, 99120576, 108413130, 115640672, 123900720, 130095756, 144550840, 148680864, 162619695, 165200960, 173461008, 185851080, 198241152, 216826260, 231281344, 247801440, 260191512, 289101680, 297361728, 325239390, 330401920, 346922016, 371702160, 433652520, 462562688, 495602880, 520383024, 578203360, 594723456, 650478780, 693844032, 743404320, 867305040, 991205760, 1040766048, 1156406720, 1300957560, 1387688064, 1486808640, 1734610080, 2081532096, 2312813440, 2601915120, 2973617280, 3469220160, 4163064192, 5203830240, 6938440320, 10407660480, 20815320960]

約数ペア:

[(1, 20815320960), (2, 10407660480), (3, 6938440320), (4, 5203830240), (5, 4163064192), (6, 3469220160), (7, 2973617280), (8, 2601915120), (9, 2312813440), (10, 2081532096), (12, 1734610080), (14, 1486808640), (15, 1387688064), (16, 1300957560), (18, 1156406720), (20, 1040766048), (21, 991205760), (24, 867305040), (28, 743404320), (30, 693844032), (32, 650478780), (35, 594723456), (36, 578203360), (40, 520383024), (42, 495602880), (45, 462562688), (48, 433652520), (56, 371702160), (60, 346922016), (63, 330401920), (64, 325239390), (70, 297361728), (72, 289101680), (80, 260191512), (84, 247801440), (90, 231281344), (96, 216826260), (105, 198241152), (112, 185851080), (120, 173461008), (126, 165200960), (128, 162619695), (140, 148680864), (144, 144550840), (160, 130095756), (168, 123900720), (180, 115640672), (192, 108413130), (210, 99120576), (224, 92925540), (240, 86730504), (252, 82600480), (280, 74340432), (288, 72275420), (315, 66080384), (320, 65047878), (336, 61950360), (360, 57820336), (384, 54206565), (420, 49560288), (448, 46462770), (480, 43365252), (504, 41300240), (560, 37170216), (576, 36137710), (630, 33040192), (640, 32523939), (672, 30975180), (720, 28910168), (840, 24780144), (896, 23231385), (960, 21682626), (1008, 20650120), (1120, 18585108), (1152, 18068855), (1260, 16520096), (1344, 15487590), (1440, 14455084), (1680, 12390072), (1920, 10841313), (2016, 10325060), (2240, 9292554), (2520, 8260048), (2688, 7743795), (2880, 7227542), (3360, 6195036), (4032, 5162530), (4480, 4646277), (5040, 4130024), (5760, 3613771), (6720, 3097518), (8064, 2581265), (10080, 2065012), (13440, 1548759), (20160, 1032506), (40320, 516253)]