145824640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1080

約数の個数: 128

約数和(自身を含む): 397897920

約数和(自身を除く): 252073280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 640, 680, 832, 884, 1031, 1040, 1088, 1105, 1360, 1664, 1768, 2062, 2080, 2176, 2210, 2720, 3536, 4124, 4160, 4420, 5155, 5440, 7072, 8248, 8320, 8840, 10310, 10880, 13403, 14144, 16496, 17527, 17680, 20620, 26806, 28288, 32992, 35054, 35360, 41240, 53612, 65984, 67015, 70108, 70720, 82480, 87635, 107224, 131968, 134030, 140216, 141440, 164960, 175270, 214448, 227851, 268060, 280432, 329920, 350540, 428896, 455702, 536120, 560864, 659840, 701080, 857792, 911404, 1072240, 1121728, 1139255, 1402160, 1715584, 1822808, 2144480, 2243456, 2278510, 2804320, 3645616, 4288960, 4557020, 5608640, 7291232, 8577920, 9114040, 11217280, 14582464, 18228080, 29164928, 36456160, 72912320, 145824640]

約数ペア:

[(1, 145824640), (2, 72912320), (4, 36456160), (5, 29164928), (8, 18228080), (10, 14582464), (13, 11217280), (16, 9114040), (17, 8577920), (20, 7291232), (26, 5608640), (32, 4557020), (34, 4288960), (40, 3645616), (52, 2804320), (64, 2278510), (65, 2243456), (68, 2144480), (80, 1822808), (85, 1715584), (104, 1402160), (128, 1139255), (130, 1121728), (136, 1072240), (160, 911404), (170, 857792), (208, 701080), (221, 659840), (260, 560864), (272, 536120), (320, 455702), (340, 428896), (416, 350540), (442, 329920), (520, 280432), (544, 268060), (640, 227851), (680, 214448), (832, 175270), (884, 164960), (1031, 141440), (1040, 140216), (1088, 134030), (1105, 131968), (1360, 107224), (1664, 87635), (1768, 82480), (2062, 70720), (2080, 70108), (2176, 67015), (2210, 65984), (2720, 53612), (3536, 41240), (4124, 35360), (4160, 35054), (4420, 32992), (5155, 28288), (5440, 26806), (7072, 20620), (8248, 17680), (8320, 17527), (8840, 16496), (10310, 14144), (10880, 13403)]