28181440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:594

約数の個数: 112

約数和(自身を含む): 80174592

約数和(自身を除く): 51993152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 547, 560, 644, 736, 805, 920, 1094, 1120, 1288, 1472, 1610, 1840, 2188, 2240, 2576, 2735, 3220, 3680, 3829, 4376, 5152, 5470, 6440, 7360, 7658, 8752, 10304, 10940, 12581, 12880, 15316, 17504, 19145, 21880, 25162, 25760, 30632, 35008, 38290, 43760, 50324, 51520, 61264, 62905, 76580, 87520, 88067, 100648, 122528, 125810, 153160, 175040, 176134, 201296, 245056, 251620, 306320, 352268, 402592, 440335, 503240, 612640, 704536, 805184, 880670, 1006480, 1225280, 1409072, 1761340, 2012960, 2818144, 3522680, 4025920, 5636288, 7045360, 14090720, 28181440]

約数ペア:

[(1, 28181440), (2, 14090720), (4, 7045360), (5, 5636288), (7, 4025920), (8, 3522680), (10, 2818144), (14, 2012960), (16, 1761340), (20, 1409072), (23, 1225280), (28, 1006480), (32, 880670), (35, 805184), (40, 704536), (46, 612640), (56, 503240), (64, 440335), (70, 402592), (80, 352268), (92, 306320), (112, 251620), (115, 245056), (140, 201296), (160, 176134), (161, 175040), (184, 153160), (224, 125810), (230, 122528), (280, 100648), (320, 88067), (322, 87520), (368, 76580), (448, 62905), (460, 61264), (547, 51520), (560, 50324), (644, 43760), (736, 38290), (805, 35008), (920, 30632), (1094, 25760), (1120, 25162), (1288, 21880), (1472, 19145), (1610, 17504), (1840, 15316), (2188, 12880), (2240, 12581), (2576, 10940), (2735, 10304), (3220, 8752), (3680, 7658), (3829, 7360), (4376, 6440), (5152, 5470)]