19421280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13487}}^1$

素因数の和:13508

約数の個数: 72

約数和(自身を含む): 66280032

約数和(自身を除く): 46858752

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13487, 26974, 40461, 53948, 67435, 80922, 107896, 121383, 134870, 161844, 202305, 215792, 242766, 269740, 323688, 404610, 431584, 485532, 539480, 606915, 647376, 809220, 971064, 1078960, 1213830, 1294752, 1618440, 1942128, 2157920, 2427660, 3236880, 3884256, 4855320, 6473760, 9710640, 19421280]

約数ペア:

[(1, 19421280), (2, 9710640), (3, 6473760), (4, 4855320), (5, 3884256), (6, 3236880), (8, 2427660), (9, 2157920), (10, 1942128), (12, 1618440), (15, 1294752), (16, 1213830), (18, 1078960), (20, 971064), (24, 809220), (30, 647376), (32, 606915), (36, 539480), (40, 485532), (45, 431584), (48, 404610), (60, 323688), (72, 269740), (80, 242766), (90, 215792), (96, 202305), (120, 161844), (144, 134870), (160, 121383), (180, 107896), (240, 80922), (288, 67435), (360, 53948), (480, 40461), (720, 26974), (1440, 13487)]