2143120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 80

約数和(自身を含む): 5892480

約数和(自身を除く): 3749360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 89, 112, 140, 172, 178, 215, 280, 301, 344, 356, 430, 445, 560, 602, 623, 688, 712, 860, 890, 1204, 1246, 1424, 1505, 1720, 1780, 2408, 2492, 3010, 3115, 3440, 3560, 3827, 4816, 4984, 6020, 6230, 7120, 7654, 9968, 12040, 12460, 15308, 19135, 24080, 24920, 26789, 30616, 38270, 49840, 53578, 61232, 76540, 107156, 133945, 153080, 214312, 267890, 306160, 428624, 535780, 1071560, 2143120]

約数ペア:

[(1, 2143120), (2, 1071560), (4, 535780), (5, 428624), (7, 306160), (8, 267890), (10, 214312), (14, 153080), (16, 133945), (20, 107156), (28, 76540), (35, 61232), (40, 53578), (43, 49840), (56, 38270), (70, 30616), (80, 26789), (86, 24920), (89, 24080), (112, 19135), (140, 15308), (172, 12460), (178, 12040), (215, 9968), (280, 7654), (301, 7120), (344, 6230), (356, 6020), (430, 4984), (445, 4816), (560, 3827), (602, 3560), (623, 3440), (688, 3115), (712, 3010), (860, 2492), (890, 2408), (1204, 1780), (1246, 1720), (1424, 1505)]