9987198720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20479}}^1$

素因数の和:20630

約数の個数: 144

約数和(自身を含む): 32149340160

約数和(自身を除く): 22162141440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 635, 640, 762, 768, 960, 1016, 1270, 1280, 1524, 1905, 1920, 2032, 2540, 3048, 3810, 3840, 4064, 5080, 6096, 7620, 8128, 10160, 12192, 15240, 16256, 20320, 20479, 24384, 30480, 32512, 40640, 40958, 48768, 60960, 61437, 81280, 81916, 97536, 102395, 121920, 122874, 162560, 163832, 204790, 243840, 245748, 307185, 327664, 409580, 487680, 491496, 614370, 655328, 819160, 982992, 1228740, 1310656, 1638320, 1965984, 2457480, 2600833, 2621312, 3276640, 3931968, 4914960, 5201666, 5242624, 6553280, 7802499, 7863936, 9829920, 10403332, 13004165, 13106560, 15604998, 15727872, 19659840, 20806664, 26008330, 26213120, 31209996, 39012495, 39319680, 41613328, 52016660, 62419992, 78024990, 78639360, 83226656, 104033320, 124839984, 156049980, 166453312, 208066640, 249679968, 312099960, 332906624, 416133280, 499359936, 624199920, 665813248, 832266560, 998719872, 1248399840, 1664533120, 1997439744, 2496799680, 3329066240, 4993599360, 9987198720]

約数ペア:

[(1, 9987198720), (2, 4993599360), (3, 3329066240), (4, 2496799680), (5, 1997439744), (6, 1664533120), (8, 1248399840), (10, 998719872), (12, 832266560), (15, 665813248), (16, 624199920), (20, 499359936), (24, 416133280), (30, 332906624), (32, 312099960), (40, 249679968), (48, 208066640), (60, 166453312), (64, 156049980), (80, 124839984), (96, 104033320), (120, 83226656), (127, 78639360), (128, 78024990), (160, 62419992), (192, 52016660), (240, 41613328), (254, 39319680), (256, 39012495), (320, 31209996), (381, 26213120), (384, 26008330), (480, 20806664), (508, 19659840), (635, 15727872), (640, 15604998), (762, 13106560), (768, 13004165), (960, 10403332), (1016, 9829920), (1270, 7863936), (1280, 7802499), (1524, 6553280), (1905, 5242624), (1920, 5201666), (2032, 4914960), (2540, 3931968), (3048, 3276640), (3810, 2621312), (3840, 2600833), (4064, 2457480), (5080, 1965984), (6096, 1638320), (7620, 1310656), (8128, 1228740), (10160, 982992), (12192, 819160), (15240, 655328), (16256, 614370), (20320, 491496), (20479, 487680), (24384, 409580), (30480, 327664), (32512, 307185), (40640, 245748), (40958, 243840), (48768, 204790), (60960, 163832), (61437, 162560), (81280, 122874), (81916, 121920), (97536, 102395)]