20940147200

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2269}}^1$

素因数の和:2407

約数の個数: 240

約数和(自身を含む): 59894440320

約数和(自身を除く): 38954293120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 103, 112, 128, 140, 160, 175, 200, 206, 224, 256, 280, 320, 350, 400, 412, 448, 512, 515, 560, 640, 700, 721, 800, 824, 896, 1030, 1120, 1280, 1400, 1442, 1600, 1648, 1792, 2060, 2240, 2269, 2560, 2575, 2800, 2884, 3200, 3296, 3584, 3605, 4120, 4480, 4538, 5150, 5600, 5768, 6400, 6592, 7210, 8240, 8960, 9076, 10300, 11200, 11345, 11536, 12800, 13184, 14420, 15883, 16480, 17920, 18025, 18152, 20600, 22400, 22690, 23072, 26368, 28840, 31766, 32960, 36050, 36304, 41200, 44800, 45380, 46144, 52736, 56725, 57680, 63532, 65920, 72100, 72608, 79415, 82400, 89600, 90760, 92288, 113450, 115360, 127064, 131840, 144200, 145216, 158830, 164800, 181520, 184576, 226900, 230720, 233707, 254128, 263680, 288400, 290432, 317660, 329600, 363040, 369152, 397075, 453800, 461440, 467414, 508256, 576800, 580864, 635320, 659200, 726080, 794150, 907600, 922880, 934828, 1016512, 1153600, 1161728, 1168535, 1270640, 1318400, 1452160, 1588300, 1635949, 1815200, 1845760, 1869656, 2033024, 2307200, 2337070, 2541280, 2904320, 3176600, 3271898, 3630400, 3739312, 4066048, 4614400, 4674140, 5082560, 5808640, 5842675, 6353200, 6543796, 7260800, 7478624, 8132096, 8179745, 9228800, 9348280, 10165120, 11685350, 12706400, 13087592, 14521600, 14957248, 16359490, 18696560, 20330240, 23370700, 25412800, 26175184, 29043200, 29914496, 32718980, 37393120, 40660480, 40898725, 46741400, 50825600, 52350368, 59828992, 65437960, 74786240, 81797450, 93482800, 101651200, 104700736, 119657984, 130875920, 149572480, 163594900, 186965600, 203302400, 209401472, 261751840, 299144960, 327189800, 373931200, 418802944, 523503680, 598289920, 654379600, 747862400, 837605888, 1047007360, 1308759200, 1495724800, 2094014720, 2617518400, 2991449600, 4188029440, 5235036800, 10470073600, 20940147200]

約数ペア:

[(1, 20940147200), (2, 10470073600), (4, 5235036800), (5, 4188029440), (7, 2991449600), (8, 2617518400), (10, 2094014720), (14, 1495724800), (16, 1308759200), (20, 1047007360), (25, 837605888), (28, 747862400), (32, 654379600), (35, 598289920), (40, 523503680), (50, 418802944), (56, 373931200), (64, 327189800), (70, 299144960), (80, 261751840), (100, 209401472), (103, 203302400), (112, 186965600), (128, 163594900), (140, 149572480), (160, 130875920), (175, 119657984), (200, 104700736), (206, 101651200), (224, 93482800), (256, 81797450), (280, 74786240), (320, 65437960), (350, 59828992), (400, 52350368), (412, 50825600), (448, 46741400), (512, 40898725), (515, 40660480), (560, 37393120), (640, 32718980), (700, 29914496), (721, 29043200), (800, 26175184), (824, 25412800), (896, 23370700), (1030, 20330240), (1120, 18696560), (1280, 16359490), (1400, 14957248), (1442, 14521600), (1600, 13087592), (1648, 12706400), (1792, 11685350), (2060, 10165120), (2240, 9348280), (2269, 9228800), (2560, 8179745), (2575, 8132096), (2800, 7478624), (2884, 7260800), (3200, 6543796), (3296, 6353200), (3584, 5842675), (3605, 5808640), (4120, 5082560), (4480, 4674140), (4538, 4614400), (5150, 4066048), (5600, 3739312), (5768, 3630400), (6400, 3271898), (6592, 3176600), (7210, 2904320), (8240, 2541280), (8960, 2337070), (9076, 2307200), (10300, 2033024), (11200, 1869656), (11345, 1845760), (11536, 1815200), (12800, 1635949), (13184, 1588300), (14420, 1452160), (15883, 1318400), (16480, 1270640), (17920, 1168535), (18025, 1161728), (18152, 1153600), (20600, 1016512), (22400, 934828), (22690, 922880), (23072, 907600), (26368, 794150), (28840, 726080), (31766, 659200), (32960, 635320), (36050, 580864), (36304, 576800), (41200, 508256), (44800, 467414), (45380, 461440), (46144, 453800), (52736, 397075), (56725, 369152), (57680, 363040), (63532, 329600), (65920, 317660), (72100, 290432), (72608, 288400), (79415, 263680), (82400, 254128), (89600, 233707), (90760, 230720), (92288, 226900), (113450, 184576), (115360, 181520), (127064, 164800), (131840, 158830), (144200, 145216)]