123328240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 160

約数和(自身を含む): 352120320

約数和(自身を除く): 228792080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 67, 70, 76, 80, 95, 112, 133, 134, 140, 152, 173, 190, 266, 268, 280, 304, 335, 346, 380, 469, 532, 536, 560, 665, 670, 692, 760, 865, 938, 1064, 1072, 1211, 1273, 1330, 1340, 1384, 1520, 1730, 1876, 2128, 2345, 2422, 2546, 2660, 2680, 2768, 3287, 3460, 3752, 4690, 4844, 5092, 5320, 5360, 6055, 6365, 6574, 6920, 7504, 8911, 9380, 9688, 10184, 10640, 11591, 12110, 12730, 13148, 13840, 16435, 17822, 18760, 19376, 20368, 23009, 23182, 24220, 25460, 26296, 32870, 35644, 37520, 44555, 46018, 46364, 48440, 50920, 52592, 57955, 65740, 71288, 81137, 89110, 92036, 92728, 96880, 101840, 115045, 115910, 131480, 142576, 162274, 178220, 184072, 185456, 220229, 230090, 231820, 262960, 324548, 356440, 368144, 405685, 440458, 460180, 463640, 649096, 712880, 811370, 880916, 920360, 927280, 1101145, 1298192, 1541603, 1622740, 1761832, 1840720, 2202290, 3083206, 3245480, 3523664, 4404580, 6166412, 6490960, 7708015, 8809160, 12332824, 15416030, 17618320, 24665648, 30832060, 61664120, 123328240]

約数ペア:

[(1, 123328240), (2, 61664120), (4, 30832060), (5, 24665648), (7, 17618320), (8, 15416030), (10, 12332824), (14, 8809160), (16, 7708015), (19, 6490960), (20, 6166412), (28, 4404580), (35, 3523664), (38, 3245480), (40, 3083206), (56, 2202290), (67, 1840720), (70, 1761832), (76, 1622740), (80, 1541603), (95, 1298192), (112, 1101145), (133, 927280), (134, 920360), (140, 880916), (152, 811370), (173, 712880), (190, 649096), (266, 463640), (268, 460180), (280, 440458), (304, 405685), (335, 368144), (346, 356440), (380, 324548), (469, 262960), (532, 231820), (536, 230090), (560, 220229), (665, 185456), (670, 184072), (692, 178220), (760, 162274), (865, 142576), (938, 131480), (1064, 115910), (1072, 115045), (1211, 101840), (1273, 96880), (1330, 92728), (1340, 92036), (1384, 89110), (1520, 81137), (1730, 71288), (1876, 65740), (2128, 57955), (2345, 52592), (2422, 50920), (2546, 48440), (2660, 46364), (2680, 46018), (2768, 44555), (3287, 37520), (3460, 35644), (3752, 32870), (4690, 26296), (4844, 25460), (5092, 24220), (5320, 23182), (5360, 23009), (6055, 20368), (6365, 19376), (6574, 18760), (6920, 17822), (7504, 16435), (8911, 13840), (9380, 13148), (9688, 12730), (10184, 12110), (10640, 11591)]