71029120

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 181764000

約数和(自身を除く): 110734880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 64, 80, 86, 89, 116, 128, 145, 160, 172, 178, 215, 232, 290, 320, 344, 356, 430, 445, 464, 580, 640, 688, 712, 860, 890, 928, 1160, 1247, 1376, 1424, 1720, 1780, 1856, 2320, 2494, 2581, 2752, 2848, 3440, 3560, 3712, 3827, 4640, 4988, 5162, 5504, 5696, 6235, 6880, 7120, 7654, 9280, 9976, 10324, 11392, 12470, 12905, 13760, 14240, 15308, 18560, 19135, 19952, 20648, 24940, 25810, 27520, 28480, 30616, 38270, 39904, 41296, 49880, 51620, 56960, 61232, 76540, 79808, 82592, 99760, 103240, 110983, 122464, 153080, 159616, 165184, 199520, 206480, 221966, 244928, 306160, 330368, 399040, 412960, 443932, 489856, 554915, 612320, 798080, 825920, 887864, 1109830, 1224640, 1651840, 1775728, 2219660, 2449280, 3551456, 4439320, 7102912, 8878640, 14205824, 17757280, 35514560, 71029120]

約数ペア:

[(1, 71029120), (2, 35514560), (4, 17757280), (5, 14205824), (8, 8878640), (10, 7102912), (16, 4439320), (20, 3551456), (29, 2449280), (32, 2219660), (40, 1775728), (43, 1651840), (58, 1224640), (64, 1109830), (80, 887864), (86, 825920), (89, 798080), (116, 612320), (128, 554915), (145, 489856), (160, 443932), (172, 412960), (178, 399040), (215, 330368), (232, 306160), (290, 244928), (320, 221966), (344, 206480), (356, 199520), (430, 165184), (445, 159616), (464, 153080), (580, 122464), (640, 110983), (688, 103240), (712, 99760), (860, 82592), (890, 79808), (928, 76540), (1160, 61232), (1247, 56960), (1376, 51620), (1424, 49880), (1720, 41296), (1780, 39904), (1856, 38270), (2320, 30616), (2494, 28480), (2581, 27520), (2752, 25810), (2848, 24940), (3440, 20648), (3560, 19952), (3712, 19135), (3827, 18560), (4640, 15308), (4988, 14240), (5162, 13760), (5504, 12905), (5696, 12470), (6235, 11392), (6880, 10324), (7120, 9976), (7654, 9280)]