1339520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:62

約数の個数: 128

約数和(自身を含む): 4112640

約数和(自身を除く): 2773120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 64, 65, 70, 80, 91, 92, 104, 112, 115, 128, 130, 140, 160, 161, 182, 184, 208, 224, 230, 260, 280, 299, 320, 322, 364, 368, 416, 448, 455, 460, 520, 560, 598, 640, 644, 728, 736, 805, 832, 896, 910, 920, 1040, 1120, 1196, 1288, 1456, 1472, 1495, 1610, 1664, 1820, 1840, 2080, 2093, 2240, 2392, 2576, 2912, 2944, 2990, 3220, 3640, 3680, 4160, 4186, 4480, 4784, 5152, 5824, 5980, 6440, 7280, 7360, 8320, 8372, 9568, 10304, 10465, 11648, 11960, 12880, 14560, 14720, 16744, 19136, 20608, 20930, 23920, 25760, 29120, 33488, 38272, 41860, 47840, 51520, 58240, 66976, 83720, 95680, 103040, 133952, 167440, 191360, 267904, 334880, 669760, 1339520]

約数ペア:

[(1, 1339520), (2, 669760), (4, 334880), (5, 267904), (7, 191360), (8, 167440), (10, 133952), (13, 103040), (14, 95680), (16, 83720), (20, 66976), (23, 58240), (26, 51520), (28, 47840), (32, 41860), (35, 38272), (40, 33488), (46, 29120), (52, 25760), (56, 23920), (64, 20930), (65, 20608), (70, 19136), (80, 16744), (91, 14720), (92, 14560), (104, 12880), (112, 11960), (115, 11648), (128, 10465), (130, 10304), (140, 9568), (160, 8372), (161, 8320), (182, 7360), (184, 7280), (208, 6440), (224, 5980), (230, 5824), (260, 5152), (280, 4784), (299, 4480), (320, 4186), (322, 4160), (364, 3680), (368, 3640), (416, 3220), (448, 2990), (455, 2944), (460, 2912), (520, 2576), (560, 2392), (598, 2240), (640, 2093), (644, 2080), (728, 1840), (736, 1820), (805, 1664), (832, 1610), (896, 1495), (910, 1472), (920, 1456), (1040, 1288), (1120, 1196)]