28166320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 83244672

約数和(自身を除く): 55078352

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 73, 80, 91, 104, 106, 112, 130, 140, 146, 182, 208, 212, 260, 265, 280, 292, 364, 365, 371, 424, 455, 511, 520, 530, 560, 584, 689, 728, 730, 742, 848, 910, 949, 1022, 1040, 1060, 1168, 1378, 1456, 1460, 1484, 1820, 1855, 1898, 2044, 2120, 2555, 2756, 2920, 2968, 3445, 3640, 3710, 3796, 3869, 4088, 4240, 4745, 4823, 5110, 5512, 5840, 5936, 6643, 6890, 7280, 7420, 7592, 7738, 8176, 9490, 9646, 10220, 11024, 13286, 13780, 14840, 15184, 15476, 18980, 19292, 19345, 20440, 24115, 26572, 27083, 27560, 29680, 30952, 33215, 37960, 38584, 38690, 40880, 48230, 50297, 53144, 54166, 55120, 61904, 66430, 75920, 77168, 77380, 96460, 100594, 106288, 108332, 132860, 135415, 154760, 192920, 201188, 216664, 251485, 265720, 270830, 309520, 352079, 385840, 402376, 433328, 502970, 531440, 541660, 704158, 804752, 1005940, 1083320, 1408316, 1760395, 2011880, 2166640, 2816632, 3520790, 4023760, 5633264, 7041580, 14083160, 28166320]

約数ペア:

[(1, 28166320), (2, 14083160), (4, 7041580), (5, 5633264), (7, 4023760), (8, 3520790), (10, 2816632), (13, 2166640), (14, 2011880), (16, 1760395), (20, 1408316), (26, 1083320), (28, 1005940), (35, 804752), (40, 704158), (52, 541660), (53, 531440), (56, 502970), (65, 433328), (70, 402376), (73, 385840), (80, 352079), (91, 309520), (104, 270830), (106, 265720), (112, 251485), (130, 216664), (140, 201188), (146, 192920), (182, 154760), (208, 135415), (212, 132860), (260, 108332), (265, 106288), (280, 100594), (292, 96460), (364, 77380), (365, 77168), (371, 75920), (424, 66430), (455, 61904), (511, 55120), (520, 54166), (530, 53144), (560, 50297), (584, 48230), (689, 40880), (728, 38690), (730, 38584), (742, 37960), (848, 33215), (910, 30952), (949, 29680), (1022, 27560), (1040, 27083), (1060, 26572), (1168, 24115), (1378, 20440), (1456, 19345), (1460, 19292), (1484, 18980), (1820, 15476), (1855, 15184), (1898, 14840), (2044, 13780), (2120, 13286), (2555, 11024), (2756, 10220), (2920, 9646), (2968, 9490), (3445, 8176), (3640, 7738), (3710, 7592), (3796, 7420), (3869, 7280), (4088, 6890), (4240, 6643), (4745, 5936), (4823, 5840), (5110, 5512)]