19963080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2411}}^1$

素因数の和:2451

約数の個数: 96

約数和(自身を含む): 67728960

約数和(自身を除く): 47765880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2411, 2760, 4140, 4822, 7233, 8280, 9644, 12055, 14466, 19288, 21699, 24110, 28932, 36165, 43398, 48220, 55453, 57864, 72330, 86796, 96440, 108495, 110906, 144660, 166359, 173592, 216990, 221812, 277265, 289320, 332718, 433980, 443624, 499077, 554530, 665436, 831795, 867960, 998154, 1109060, 1330872, 1663590, 1996308, 2218120, 2495385, 3327180, 3992616, 4990770, 6654360, 9981540, 19963080]

約数ペア:

[(1, 19963080), (2, 9981540), (3, 6654360), (4, 4990770), (5, 3992616), (6, 3327180), (8, 2495385), (9, 2218120), (10, 1996308), (12, 1663590), (15, 1330872), (18, 1109060), (20, 998154), (23, 867960), (24, 831795), (30, 665436), (36, 554530), (40, 499077), (45, 443624), (46, 433980), (60, 332718), (69, 289320), (72, 277265), (90, 221812), (92, 216990), (115, 173592), (120, 166359), (138, 144660), (180, 110906), (184, 108495), (207, 96440), (230, 86796), (276, 72330), (345, 57864), (360, 55453), (414, 48220), (460, 43398), (552, 36165), (690, 28932), (828, 24110), (920, 21699), (1035, 19288), (1380, 14466), (1656, 12055), (2070, 9644), (2411, 8280), (2760, 7233), (4140, 4822)]