19920687360

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{105871}}^1$

素因数の和:105909

約数の個数: 216

約数和(自身を含む): 74009609856

約数和(自身を除く): 54088922496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3840, 3920, 4480, 4704, 5376, 5880, 6272, 6720, 7840, 8960, 9408, 11760, 12544, 13440, 15680, 18816, 23520, 26880, 31360, 37632, 47040, 62720, 94080, 105871, 188160, 211742, 317613, 423484, 529355, 635226, 741097, 846968, 1058710, 1270452, 1482194, 1588065, 1693936, 2117420, 2223291, 2540904, 2964388, 3176130, 3387872, 3705485, 4234840, 4446582, 5081808, 5187679, 5928776, 6352260, 6775744, 7410970, 8469680, 8893164, 10163616, 10375358, 11116455, 11857552, 12704520, 13551488, 14821940, 15563037, 16939360, 17786328, 20327232, 20750716, 22232910, 23715104, 25409040, 25938395, 27102976, 29643880, 31126074, 33878720, 35572656, 40654464, 41501432, 44465820, 47430208, 50818080, 51876790, 59287760, 62252148, 67757440, 71145312, 77815185, 81308928, 83002864, 88931640, 94860416, 101636160, 103753580, 118575520, 124504296, 135514880, 142290624, 155630370, 166005728, 177863280, 189720832, 203272320, 207507160, 237151040, 249008592, 284581248, 311260740, 332011456, 355726560, 406544640, 415014320, 474302080, 498017184, 569162496, 622521480, 664022912, 711453120, 830028640, 948604160, 996034368, 1245042960, 1328045824, 1422906240, 1660057280, 1992068736, 2490085920, 2845812480, 3320114560, 3984137472, 4980171840, 6640229120, 9960343680, 19920687360]

約数ペア:

[(1, 19920687360), (2, 9960343680), (3, 6640229120), (4, 4980171840), (5, 3984137472), (6, 3320114560), (7, 2845812480), (8, 2490085920), (10, 1992068736), (12, 1660057280), (14, 1422906240), (15, 1328045824), (16, 1245042960), (20, 996034368), (21, 948604160), (24, 830028640), (28, 711453120), (30, 664022912), (32, 622521480), (35, 569162496), (40, 498017184), (42, 474302080), (48, 415014320), (49, 406544640), (56, 355726560), (60, 332011456), (64, 311260740), (70, 284581248), (80, 249008592), (84, 237151040), (96, 207507160), (98, 203272320), (105, 189720832), (112, 177863280), (120, 166005728), (128, 155630370), (140, 142290624), (147, 135514880), (160, 124504296), (168, 118575520), (192, 103753580), (196, 101636160), (210, 94860416), (224, 88931640), (240, 83002864), (245, 81308928), (256, 77815185), (280, 71145312), (294, 67757440), (320, 62252148), (336, 59287760), (384, 51876790), (392, 50818080), (420, 47430208), (448, 44465820), (480, 41501432), (490, 40654464), (560, 35572656), (588, 33878720), (640, 31126074), (672, 29643880), (735, 27102976), (768, 25938395), (784, 25409040), (840, 23715104), (896, 22232910), (960, 20750716), (980, 20327232), (1120, 17786328), (1176, 16939360), (1280, 15563037), (1344, 14821940), (1470, 13551488), (1568, 12704520), (1680, 11857552), (1792, 11116455), (1920, 10375358), (1960, 10163616), (2240, 8893164), (2352, 8469680), (2688, 7410970), (2940, 6775744), (3136, 6352260), (3360, 5928776), (3840, 5187679), (3920, 5081808), (4480, 4446582), (4704, 4234840), (5376, 3705485), (5880, 3387872), (6272, 3176130), (6720, 2964388), (7840, 2540904), (8960, 2223291), (9408, 2117420), (11760, 1693936), (12544, 1588065), (13440, 1482194), (15680, 1270452), (18816, 1058710), (23520, 846968), (26880, 741097), (31360, 635226), (37632, 529355), (47040, 423484), (62720, 317613), (94080, 211742), (105871, 188160)]