20072868480

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{497839}}^1$

素因数の和:497871

約数の個数: 192

約数和(自身を含む): 79216300800

約数和(自身を除く): 59143432320

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, 497839, 995678, 1493517, 1991356, 2489195, 2987034, 3484873, 3982712, 4480551, 4978390, 5974068, 6969746, 7467585, 7965424, 8961102, 9956780, 10454619, 11948136, 13939492, 14935170, 15930848, 17424365, 17922204, 19913560, 20909238, 22402755, 23896272, 27878984, 29870340, 31363857, 31861696, 34848730, 35844408, 39827120, 41818476, 44805510, 47792544, 52273095, 55757968, 59740680, 62727714, 63723392, 69697460, 71688816, 79654240, 83636952, 89611020, 95585088, 104546190, 111515936, 119481360, 125455428, 139394920, 143377632, 156819285, 159308480, 167273904, 179222040, 191170176, 209092380, 223031872, 238962720, 250910856, 278789840, 286755264, 313638570, 318616960, 334547808, 358444080, 418184760, 446063744, 477925440, 501821712, 557579680, 573510528, 627277140, 669095616, 716888160, 836369520, 955850880, 1003643424, 1115159360, 1254554280, 1338191232, 1433776320, 1672739040, 2007286848, 2230318720, 2509108560, 2867552640, 3345478080, 4014573696, 5018217120, 6690956160, 10036434240, 20072868480]

約数ペア:

[(1, 20072868480), (2, 10036434240), (3, 6690956160), (4, 5018217120), (5, 4014573696), (6, 3345478080), (7, 2867552640), (8, 2509108560), (9, 2230318720), (10, 2007286848), (12, 1672739040), (14, 1433776320), (15, 1338191232), (16, 1254554280), (18, 1115159360), (20, 1003643424), (21, 955850880), (24, 836369520), (28, 716888160), (30, 669095616), (32, 627277140), (35, 573510528), (36, 557579680), (40, 501821712), (42, 477925440), (45, 446063744), (48, 418184760), (56, 358444080), (60, 334547808), (63, 318616960), (64, 313638570), (70, 286755264), (72, 278789840), (80, 250910856), (84, 238962720), (90, 223031872), (96, 209092380), (105, 191170176), (112, 179222040), (120, 167273904), (126, 159308480), (128, 156819285), (140, 143377632), (144, 139394920), (160, 125455428), (168, 119481360), (180, 111515936), (192, 104546190), (210, 95585088), (224, 89611020), (240, 83636952), (252, 79654240), (280, 71688816), (288, 69697460), (315, 63723392), (320, 62727714), (336, 59740680), (360, 55757968), (384, 52273095), (420, 47792544), (448, 44805510), (480, 41818476), (504, 39827120), (560, 35844408), (576, 34848730), (630, 31861696), (640, 31363857), (672, 29870340), (720, 27878984), (840, 23896272), (896, 22402755), (960, 20909238), (1008, 19913560), (1120, 17922204), (1152, 17424365), (1260, 15930848), (1344, 14935170), (1440, 13939492), (1680, 11948136), (1920, 10454619), (2016, 9956780), (2240, 8961102), (2520, 7965424), (2688, 7467585), (2880, 6969746), (3360, 5974068), (4032, 4978390), (4480, 4480551), (5040, 3982712), (5760, 3484873), (6720, 2987034), (8064, 2489195), (10080, 1991356), (13440, 1493517), (20160, 995678), (40320, 497839)]