68579840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 160

約数和(自身を含む): 194451840

約数和(自身を除く): 125872000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 89, 112, 128, 140, 160, 172, 178, 215, 224, 256, 280, 301, 320, 344, 356, 430, 445, 448, 512, 560, 602, 623, 640, 688, 712, 860, 890, 896, 1120, 1204, 1246, 1280, 1376, 1424, 1505, 1720, 1780, 1792, 2240, 2408, 2492, 2560, 2752, 2848, 3010, 3115, 3440, 3560, 3584, 3827, 4480, 4816, 4984, 5504, 5696, 6020, 6230, 6880, 7120, 7654, 8960, 9632, 9968, 11008, 11392, 12040, 12460, 13760, 14240, 15308, 17920, 19135, 19264, 19936, 22016, 22784, 24080, 24920, 26789, 27520, 28480, 30616, 38270, 38528, 39872, 45568, 48160, 49840, 53578, 55040, 56960, 61232, 76540, 77056, 79744, 96320, 99680, 107156, 110080, 113920, 122464, 133945, 153080, 154112, 159488, 192640, 199360, 214312, 227840, 244928, 267890, 306160, 318976, 385280, 398720, 428624, 489856, 535780, 612320, 770560, 797440, 857248, 979712, 1071560, 1224640, 1594880, 1714496, 1959424, 2143120, 2449280, 3428992, 4286240, 4898560, 6857984, 8572480, 9797120, 13715968, 17144960, 34289920, 68579840]

約数ペア:

[(1, 68579840), (2, 34289920), (4, 17144960), (5, 13715968), (7, 9797120), (8, 8572480), (10, 6857984), (14, 4898560), (16, 4286240), (20, 3428992), (28, 2449280), (32, 2143120), (35, 1959424), (40, 1714496), (43, 1594880), (56, 1224640), (64, 1071560), (70, 979712), (80, 857248), (86, 797440), (89, 770560), (112, 612320), (128, 535780), (140, 489856), (160, 428624), (172, 398720), (178, 385280), (215, 318976), (224, 306160), (256, 267890), (280, 244928), (301, 227840), (320, 214312), (344, 199360), (356, 192640), (430, 159488), (445, 154112), (448, 153080), (512, 133945), (560, 122464), (602, 113920), (623, 110080), (640, 107156), (688, 99680), (712, 96320), (860, 79744), (890, 77056), (896, 76540), (1120, 61232), (1204, 56960), (1246, 55040), (1280, 53578), (1376, 49840), (1424, 48160), (1505, 45568), (1720, 39872), (1780, 38528), (1792, 38270), (2240, 30616), (2408, 28480), (2492, 27520), (2560, 26789), (2752, 24920), (2848, 24080), (3010, 22784), (3115, 22016), (3440, 19936), (3560, 19264), (3584, 19135), (3827, 17920), (4480, 15308), (4816, 14240), (4984, 13760), (5504, 12460), (5696, 12040), (6020, 11392), (6230, 11008), (6880, 9968), (7120, 9632), (7654, 8960)]