219578240

素因数分解:

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

素因数の和:2180

約数の個数: 128

約数和(自身を含む): 626296320

約数和(自身を除く): 406718080

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, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1288, 1472, 1610, 1840, 2131, 2240, 2576, 2944, 3220, 3680, 4262, 4480, 5152, 6440, 7360, 8524, 10304, 10655, 12880, 14720, 14917, 17048, 20608, 21310, 25760, 29834, 34096, 42620, 49013, 51520, 59668, 68192, 74585, 85240, 98026, 103040, 119336, 136384, 149170, 170480, 196052, 238672, 245065, 272768, 298340, 340960, 343091, 392104, 477344, 490130, 596680, 681920, 686182, 784208, 954688, 980260, 1193360, 1363840, 1372364, 1568416, 1715455, 1909376, 1960520, 2386720, 2744728, 3136832, 3430910, 3921040, 4773440, 5489456, 6273664, 6861820, 7842080, 9546880, 10978912, 13723640, 15684160, 21957824, 27447280, 31368320, 43915648, 54894560, 109789120, 219578240]

約数ペア:

[(1, 219578240), (2, 109789120), (4, 54894560), (5, 43915648), (7, 31368320), (8, 27447280), (10, 21957824), (14, 15684160), (16, 13723640), (20, 10978912), (23, 9546880), (28, 7842080), (32, 6861820), (35, 6273664), (40, 5489456), (46, 4773440), (56, 3921040), (64, 3430910), (70, 3136832), (80, 2744728), (92, 2386720), (112, 1960520), (115, 1909376), (128, 1715455), (140, 1568416), (160, 1372364), (161, 1363840), (184, 1193360), (224, 980260), (230, 954688), (280, 784208), (320, 686182), (322, 681920), (368, 596680), (448, 490130), (460, 477344), (560, 392104), (640, 343091), (644, 340960), (736, 298340), (805, 272768), (896, 245065), (920, 238672), (1120, 196052), (1288, 170480), (1472, 149170), (1610, 136384), (1840, 119336), (2131, 103040), (2240, 98026), (2576, 85240), (2944, 74585), (3220, 68192), (3680, 59668), (4262, 51520), (4480, 49013), (5152, 42620), (6440, 34096), (7360, 29834), (8524, 25760), (10304, 21310), (10655, 20608), (12880, 17048), (14720, 14917)]