56333440

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 145411200

約数和(自身を除く): 89077760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 80, 86, 89, 92, 115, 128, 160, 172, 178, 184, 215, 230, 320, 344, 356, 368, 430, 445, 460, 640, 688, 712, 736, 860, 890, 920, 989, 1376, 1424, 1472, 1720, 1780, 1840, 1978, 2047, 2752, 2848, 2944, 3440, 3560, 3680, 3827, 3956, 4094, 4945, 5504, 5696, 6880, 7120, 7360, 7654, 7912, 8188, 9890, 10235, 11392, 13760, 14240, 14720, 15308, 15824, 16376, 19135, 19780, 20470, 27520, 28480, 30616, 31648, 32752, 38270, 39560, 40940, 56960, 61232, 63296, 65504, 76540, 79120, 81880, 88021, 122464, 126592, 131008, 153080, 158240, 163760, 176042, 244928, 262016, 306160, 316480, 327520, 352084, 440105, 489856, 612320, 632960, 655040, 704168, 880210, 1224640, 1310080, 1408336, 1760420, 2449280, 2816672, 3520840, 5633344, 7041680, 11266688, 14083360, 28166720, 56333440]

約数ペア:

[(1, 56333440), (2, 28166720), (4, 14083360), (5, 11266688), (8, 7041680), (10, 5633344), (16, 3520840), (20, 2816672), (23, 2449280), (32, 1760420), (40, 1408336), (43, 1310080), (46, 1224640), (64, 880210), (80, 704168), (86, 655040), (89, 632960), (92, 612320), (115, 489856), (128, 440105), (160, 352084), (172, 327520), (178, 316480), (184, 306160), (215, 262016), (230, 244928), (320, 176042), (344, 163760), (356, 158240), (368, 153080), (430, 131008), (445, 126592), (460, 122464), (640, 88021), (688, 81880), (712, 79120), (736, 76540), (860, 65504), (890, 63296), (920, 61232), (989, 56960), (1376, 40940), (1424, 39560), (1472, 38270), (1720, 32752), (1780, 31648), (1840, 30616), (1978, 28480), (2047, 27520), (2752, 20470), (2848, 19780), (2944, 19135), (3440, 16376), (3560, 15824), (3680, 15308), (3827, 14720), (3956, 14240), (4094, 13760), (4945, 11392), (5504, 10235), (5696, 9890), (6880, 8188), (7120, 7912), (7360, 7654)]