15280720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2132

約数の個数: 80

約数和(自身を含む): 43747200

約数和(自身を除く): 28466480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2099, 3640, 4198, 7280, 8396, 10495, 14693, 16792, 20990, 27287, 29386, 33584, 41980, 54574, 58772, 73465, 83960, 109148, 117544, 136435, 146930, 167920, 191009, 218296, 235088, 272870, 293860, 382018, 436592, 545740, 587720, 764036, 955045, 1091480, 1175440, 1528072, 1910090, 2182960, 3056144, 3820180, 7640360, 15280720]

約数ペア:

[(1, 15280720), (2, 7640360), (4, 3820180), (5, 3056144), (7, 2182960), (8, 1910090), (10, 1528072), (13, 1175440), (14, 1091480), (16, 955045), (20, 764036), (26, 587720), (28, 545740), (35, 436592), (40, 382018), (52, 293860), (56, 272870), (65, 235088), (70, 218296), (80, 191009), (91, 167920), (104, 146930), (112, 136435), (130, 117544), (140, 109148), (182, 83960), (208, 73465), (260, 58772), (280, 54574), (364, 41980), (455, 33584), (520, 29386), (560, 27287), (728, 20990), (910, 16792), (1040, 14693), (1456, 10495), (1820, 8396), (2099, 7280), (3640, 4198)]