2123452920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{40493}}^1$

素因数の和:40549

約数の個数: 128

約数和(自身を含む): 6997363200

約数和(自身を除く): 4873910280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4370, 5244, 6555, 8740, 10488, 13110, 17480, 26220, 40493, 52440, 80986, 121479, 161972, 202465, 242958, 323944, 404930, 485916, 607395, 769367, 809860, 931339, 971832, 1214790, 1538734, 1619720, 1862678, 2308101, 2429580, 2794017, 3077468, 3725356, 3846835, 4616202, 4656695, 4859160, 5588034, 6154936, 7450712, 7693670, 9232404, 9313390, 11176068, 11540505, 13970085, 15387340, 17695441, 18464808, 18626780, 22352136, 23081010, 27940170, 30774680, 35390882, 37253560, 46162020, 53086323, 55880340, 70781764, 88477205, 92324040, 106172646, 111760680, 141563528, 176954410, 212345292, 265431615, 353908820, 424690584, 530863230, 707817640, 1061726460, 2123452920]

約数ペア:

[(1, 2123452920), (2, 1061726460), (3, 707817640), (4, 530863230), (5, 424690584), (6, 353908820), (8, 265431615), (10, 212345292), (12, 176954410), (15, 141563528), (19, 111760680), (20, 106172646), (23, 92324040), (24, 88477205), (30, 70781764), (38, 55880340), (40, 53086323), (46, 46162020), (57, 37253560), (60, 35390882), (69, 30774680), (76, 27940170), (92, 23081010), (95, 22352136), (114, 18626780), (115, 18464808), (120, 17695441), (138, 15387340), (152, 13970085), (184, 11540505), (190, 11176068), (228, 9313390), (230, 9232404), (276, 7693670), (285, 7450712), (345, 6154936), (380, 5588034), (437, 4859160), (456, 4656695), (460, 4616202), (552, 3846835), (570, 3725356), (690, 3077468), (760, 2794017), (874, 2429580), (920, 2308101), (1140, 1862678), (1311, 1619720), (1380, 1538734), (1748, 1214790), (2185, 971832), (2280, 931339), (2622, 809860), (2760, 769367), (3496, 607395), (4370, 485916), (5244, 404930), (6555, 323944), (8740, 242958), (10488, 202465), (13110, 161972), (17480, 121479), (26220, 80986), (40493, 52440)]