19520640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3389}}^1$

素因数の和:3414

約数の個数: 96

約数和(自身を含む): 67427100

約数和(自身を除く): 47906460

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, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3389, 5760, 6778, 10167, 13556, 16945, 20334, 27112, 30501, 33890, 40668, 50835, 54224, 61002, 67780, 81336, 101670, 108448, 122004, 135560, 152505, 162672, 203340, 216896, 244008, 271120, 305010, 325344, 406680, 433792, 488016, 542240, 610020, 650688, 813360, 976032, 1084480, 1220040, 1301376, 1626720, 1952064, 2168960, 2440080, 3253440, 3904128, 4880160, 6506880, 9760320, 19520640]

約数ペア:

[(1, 19520640), (2, 9760320), (3, 6506880), (4, 4880160), (5, 3904128), (6, 3253440), (8, 2440080), (9, 2168960), (10, 1952064), (12, 1626720), (15, 1301376), (16, 1220040), (18, 1084480), (20, 976032), (24, 813360), (30, 650688), (32, 610020), (36, 542240), (40, 488016), (45, 433792), (48, 406680), (60, 325344), (64, 305010), (72, 271120), (80, 244008), (90, 216896), (96, 203340), (120, 162672), (128, 152505), (144, 135560), (160, 122004), (180, 108448), (192, 101670), (240, 81336), (288, 67780), (320, 61002), (360, 54224), (384, 50835), (480, 40668), (576, 33890), (640, 30501), (720, 27112), (960, 20334), (1152, 16945), (1440, 13556), (1920, 10167), (2880, 6778), (3389, 5760)]