168521920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3271}}^1$

素因数の和:3318

約数の個数: 112

約数和(自身を含む): 478706688

約数和(自身を除く): 310184768

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, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 3220, 3271, 3680, 5152, 6440, 6542, 7360, 10304, 12880, 13084, 16355, 22897, 25760, 26168, 32710, 45794, 51520, 52336, 65420, 75233, 91588, 104672, 114485, 130840, 150466, 183176, 209344, 228970, 261680, 300932, 366352, 376165, 457940, 523360, 526631, 601864, 732704, 752330, 915880, 1046720, 1053262, 1203728, 1465408, 1504660, 1831760, 2106524, 2407456, 2633155, 3009320, 3663520, 4213048, 4814912, 5266310, 6018640, 7327040, 8426096, 10532620, 12037280, 16852192, 21065240, 24074560, 33704384, 42130480, 84260960, 168521920]

約数ペア:

[(1, 168521920), (2, 84260960), (4, 42130480), (5, 33704384), (7, 24074560), (8, 21065240), (10, 16852192), (14, 12037280), (16, 10532620), (20, 8426096), (23, 7327040), (28, 6018640), (32, 5266310), (35, 4814912), (40, 4213048), (46, 3663520), (56, 3009320), (64, 2633155), (70, 2407456), (80, 2106524), (92, 1831760), (112, 1504660), (115, 1465408), (140, 1203728), (160, 1053262), (161, 1046720), (184, 915880), (224, 752330), (230, 732704), (280, 601864), (320, 526631), (322, 523360), (368, 457940), (448, 376165), (460, 366352), (560, 300932), (644, 261680), (736, 228970), (805, 209344), (920, 183176), (1120, 150466), (1288, 130840), (1472, 114485), (1610, 104672), (1840, 91588), (2240, 75233), (2576, 65420), (3220, 52336), (3271, 51520), (3680, 45794), (5152, 32710), (6440, 26168), (6542, 25760), (7360, 22897), (10304, 16355), (12880, 13084)]