28711760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 160

約数和(自身を含む): 85708800

約数和(自身を除く): 56997040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 79, 80, 88, 110, 112, 118, 140, 154, 158, 176, 220, 236, 280, 295, 308, 316, 385, 395, 413, 440, 472, 553, 560, 590, 616, 632, 649, 770, 790, 826, 869, 880, 944, 1106, 1180, 1232, 1264, 1298, 1540, 1580, 1652, 1738, 2065, 2212, 2360, 2596, 2765, 3080, 3160, 3245, 3304, 3476, 4130, 4345, 4424, 4543, 4661, 4720, 5192, 5530, 6083, 6160, 6320, 6490, 6608, 6952, 8260, 8690, 8848, 9086, 9322, 10384, 11060, 12166, 12980, 13904, 16520, 17380, 18172, 18644, 22120, 22715, 23305, 24332, 25960, 30415, 32627, 33040, 34760, 36344, 37288, 44240, 45430, 46610, 48664, 51271, 51920, 60830, 65254, 69520, 72688, 74576, 90860, 93220, 97328, 102542, 121660, 130508, 163135, 181720, 186440, 205084, 243320, 256355, 261016, 326270, 358897, 363440, 372880, 410168, 486640, 512710, 522032, 652540, 717794, 820336, 1025420, 1305080, 1435588, 1794485, 2050840, 2610160, 2871176, 3588970, 4101680, 5742352, 7177940, 14355880, 28711760]

約数ペア:

[(1, 28711760), (2, 14355880), (4, 7177940), (5, 5742352), (7, 4101680), (8, 3588970), (10, 2871176), (11, 2610160), (14, 2050840), (16, 1794485), (20, 1435588), (22, 1305080), (28, 1025420), (35, 820336), (40, 717794), (44, 652540), (55, 522032), (56, 512710), (59, 486640), (70, 410168), (77, 372880), (79, 363440), (80, 358897), (88, 326270), (110, 261016), (112, 256355), (118, 243320), (140, 205084), (154, 186440), (158, 181720), (176, 163135), (220, 130508), (236, 121660), (280, 102542), (295, 97328), (308, 93220), (316, 90860), (385, 74576), (395, 72688), (413, 69520), (440, 65254), (472, 60830), (553, 51920), (560, 51271), (590, 48664), (616, 46610), (632, 45430), (649, 44240), (770, 37288), (790, 36344), (826, 34760), (869, 33040), (880, 32627), (944, 30415), (1106, 25960), (1180, 24332), (1232, 23305), (1264, 22715), (1298, 22120), (1540, 18644), (1580, 18172), (1652, 17380), (1738, 16520), (2065, 13904), (2212, 12980), (2360, 12166), (2596, 11060), (2765, 10384), (3080, 9322), (3160, 9086), (3245, 8848), (3304, 8690), (3476, 8260), (4130, 6952), (4345, 6608), (4424, 6490), (4543, 6320), (4661, 6160), (4720, 6083), (5192, 5530)]