40147920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{18587}}^1$

素因数の和:18609

約数の個数: 80

約数和(自身を含む): 138294720

約数和(自身を除く): 98146800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 18587, 37174, 55761, 74348, 92935, 111522, 148696, 167283, 185870, 223044, 278805, 297392, 334566, 371740, 446088, 501849, 557610, 669132, 743480, 836415, 892176, 1003698, 1115220, 1338264, 1486960, 1672830, 2007396, 2230440, 2509245, 2676528, 3345660, 4014792, 4460880, 5018490, 6691320, 8029584, 10036980, 13382640, 20073960, 40147920]

約数ペア:

[(1, 40147920), (2, 20073960), (3, 13382640), (4, 10036980), (5, 8029584), (6, 6691320), (8, 5018490), (9, 4460880), (10, 4014792), (12, 3345660), (15, 2676528), (16, 2509245), (18, 2230440), (20, 2007396), (24, 1672830), (27, 1486960), (30, 1338264), (36, 1115220), (40, 1003698), (45, 892176), (48, 836415), (54, 743480), (60, 669132), (72, 557610), (80, 501849), (90, 446088), (108, 371740), (120, 334566), (135, 297392), (144, 278805), (180, 223044), (216, 185870), (240, 167283), (270, 148696), (360, 111522), (432, 92935), (540, 74348), (720, 55761), (1080, 37174), (2160, 18587)]