27447280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2174

約数の個数: 80

約数和(自身を含む): 76137984

約数和(自身を除く): 48690704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2131, 2576, 3220, 4262, 6440, 8524, 10655, 12880, 14917, 17048, 21310, 29834, 34096, 42620, 49013, 59668, 74585, 85240, 98026, 119336, 149170, 170480, 196052, 238672, 245065, 298340, 343091, 392104, 490130, 596680, 686182, 784208, 980260, 1193360, 1372364, 1715455, 1960520, 2744728, 3430910, 3921040, 5489456, 6861820, 13723640, 27447280]

約数ペア:

[(1, 27447280), (2, 13723640), (4, 6861820), (5, 5489456), (7, 3921040), (8, 3430910), (10, 2744728), (14, 1960520), (16, 1715455), (20, 1372364), (23, 1193360), (28, 980260), (35, 784208), (40, 686182), (46, 596680), (56, 490130), (70, 392104), (80, 343091), (92, 298340), (112, 245065), (115, 238672), (140, 196052), (161, 170480), (184, 149170), (230, 119336), (280, 98026), (322, 85240), (368, 74585), (460, 59668), (560, 49013), (644, 42620), (805, 34096), (920, 29834), (1288, 21310), (1610, 17048), (1840, 14917), (2131, 12880), (2576, 10655), (3220, 8524), (4262, 6440)]