1861920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{431}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 6531840

約数和(自身を除く): 4669920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 431, 432, 480, 540, 720, 862, 864, 1080, 1293, 1440, 1724, 2155, 2160, 2586, 3448, 3879, 4310, 4320, 5172, 6465, 6896, 7758, 8620, 10344, 11637, 12930, 13792, 15516, 17240, 19395, 20688, 23274, 25860, 31032, 34480, 38790, 41376, 46548, 51720, 58185, 62064, 68960, 77580, 93096, 103440, 116370, 124128, 155160, 186192, 206880, 232740, 310320, 372384, 465480, 620640, 930960, 1861920]

約数ペア:

[(1, 1861920), (2, 930960), (3, 620640), (4, 465480), (5, 372384), (6, 310320), (8, 232740), (9, 206880), (10, 186192), (12, 155160), (15, 124128), (16, 116370), (18, 103440), (20, 93096), (24, 77580), (27, 68960), (30, 62064), (32, 58185), (36, 51720), (40, 46548), (45, 41376), (48, 38790), (54, 34480), (60, 31032), (72, 25860), (80, 23274), (90, 20688), (96, 19395), (108, 17240), (120, 15516), (135, 13792), (144, 12930), (160, 11637), (180, 10344), (216, 8620), (240, 7758), (270, 6896), (288, 6465), (360, 5172), (431, 4320), (432, 4310), (480, 3879), (540, 3448), (720, 2586), (862, 2160), (864, 2155), (1080, 1724), (1293, 1440)]