1816945920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{157721}}^1$

素因数の和:157748

約数の個数: 108

約数和(自身を含む): 6286483476

約数和(自身を除く): 4469537556

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 157721, 315442, 473163, 630884, 788605, 946326, 1261768, 1419489, 1577210, 1892652, 2365815, 2523536, 2838978, 3154420, 3785304, 4731630, 5047072, 5677956, 6308840, 7097445, 7570608, 9463260, 10094144, 11355912, 12617680, 14194890, 15141216, 18926520, 20188288, 22711824, 25235360, 28389780, 30282432, 37853040, 40376576, 45423648, 50470720, 56779560, 60564864, 75706080, 90847296, 100941440, 113559120, 121129728, 151412160, 181694592, 201882880, 227118240, 302824320, 363389184, 454236480, 605648640, 908472960, 1816945920]

約数ペア:

[(1, 1816945920), (2, 908472960), (3, 605648640), (4, 454236480), (5, 363389184), (6, 302824320), (8, 227118240), (9, 201882880), (10, 181694592), (12, 151412160), (15, 121129728), (16, 113559120), (18, 100941440), (20, 90847296), (24, 75706080), (30, 60564864), (32, 56779560), (36, 50470720), (40, 45423648), (45, 40376576), (48, 37853040), (60, 30282432), (64, 28389780), (72, 25235360), (80, 22711824), (90, 20188288), (96, 18926520), (120, 15141216), (128, 14194890), (144, 12617680), (160, 11355912), (180, 10094144), (192, 9463260), (240, 7570608), (256, 7097445), (288, 6308840), (320, 5677956), (360, 5047072), (384, 4731630), (480, 3785304), (576, 3154420), (640, 2838978), (720, 2523536), (768, 2365815), (960, 1892652), (1152, 1577210), (1280, 1419489), (1440, 1261768), (1920, 946326), (2304, 788605), (2880, 630884), (3840, 473163), (5760, 315442), (11520, 157721)]