51387840

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{2549}}^1$

素因数の和:2579

約数の個数: 168

約数和(自身を含む): 202082400

約数和(自身を除く): 150694560

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, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2549, 2880, 3360, 4032, 5040, 5098, 6720, 7647, 10080, 10196, 12745, 15294, 17843, 20160, 20392, 22941, 25490, 30588, 35686, 38235, 40784, 45882, 50980, 53529, 61176, 71372, 76470, 81568, 89215, 91764, 101960, 107058, 114705, 122352, 142744, 152940, 160587, 163136, 178430, 183528, 203920, 214116, 229410, 244704, 267645, 285488, 305880, 321174, 356860, 367056, 407840, 428232, 458820, 489408, 535290, 570976, 611760, 642348, 713720, 734112, 802935, 815680, 856464, 917640, 1070580, 1141952, 1223520, 1284696, 1427440, 1468224, 1605870, 1712928, 1835280, 2141160, 2447040, 2569392, 2854880, 3211740, 3425856, 3670560, 4282320, 5138784, 5709760, 6423480, 7341120, 8564640, 10277568, 12846960, 17129280, 25693920, 51387840]

約数ペア:

[(1, 51387840), (2, 25693920), (3, 17129280), (4, 12846960), (5, 10277568), (6, 8564640), (7, 7341120), (8, 6423480), (9, 5709760), (10, 5138784), (12, 4282320), (14, 3670560), (15, 3425856), (16, 3211740), (18, 2854880), (20, 2569392), (21, 2447040), (24, 2141160), (28, 1835280), (30, 1712928), (32, 1605870), (35, 1468224), (36, 1427440), (40, 1284696), (42, 1223520), (45, 1141952), (48, 1070580), (56, 917640), (60, 856464), (63, 815680), (64, 802935), (70, 734112), (72, 713720), (80, 642348), (84, 611760), (90, 570976), (96, 535290), (105, 489408), (112, 458820), (120, 428232), (126, 407840), (140, 367056), (144, 356860), (160, 321174), (168, 305880), (180, 285488), (192, 267645), (210, 244704), (224, 229410), (240, 214116), (252, 203920), (280, 183528), (288, 178430), (315, 163136), (320, 160587), (336, 152940), (360, 142744), (420, 122352), (448, 114705), (480, 107058), (504, 101960), (560, 91764), (576, 89215), (630, 81568), (672, 76470), (720, 71372), (840, 61176), (960, 53529), (1008, 50980), (1120, 45882), (1260, 40784), (1344, 38235), (1440, 35686), (1680, 30588), (2016, 25490), (2240, 22941), (2520, 20392), (2549, 20160), (2880, 17843), (3360, 15294), (4032, 12745), (5040, 10196), (5098, 10080), (6720, 7647)]