18947870640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26316487}}^1$

素因数の和:26316506

約数の個数: 60

約数和(自身を含む): 63633267984

約数和(自身を除く): 44685397344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26316487, 52632974, 78949461, 105265948, 131582435, 157898922, 210531896, 236848383, 263164870, 315797844, 394747305, 421063792, 473696766, 526329740, 631595688, 789494610, 947393532, 1052659480, 1184241915, 1263191376, 1578989220, 1894787064, 2105318960, 2368483830, 3157978440, 3789574128, 4736967660, 6315956880, 9473935320, 18947870640]

約数ペア:

[(1, 18947870640), (2, 9473935320), (3, 6315956880), (4, 4736967660), (5, 3789574128), (6, 3157978440), (8, 2368483830), (9, 2105318960), (10, 1894787064), (12, 1578989220), (15, 1263191376), (16, 1184241915), (18, 1052659480), (20, 947393532), (24, 789494610), (30, 631595688), (36, 526329740), (40, 473696766), (45, 421063792), (48, 394747305), (60, 315797844), (72, 263164870), (80, 236848383), (90, 210531896), (120, 157898922), (144, 131582435), (180, 105265948), (240, 78949461), (360, 52632974), (720, 26316487)]