66680960

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2485

約数の個数: 64

約数和(自身を含む): 163183680

約数和(自身を除く): 96502720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2423, 2752, 3440, 4846, 5504, 6880, 9692, 12115, 13760, 19384, 24230, 27520, 38768, 48460, 77536, 96920, 104189, 155072, 193840, 208378, 310144, 387680, 416756, 520945, 775360, 833512, 1041890, 1550720, 1667024, 2083780, 3334048, 4167560, 6668096, 8335120, 13336192, 16670240, 33340480, 66680960]

約数ペア:

[(1, 66680960), (2, 33340480), (4, 16670240), (5, 13336192), (8, 8335120), (10, 6668096), (16, 4167560), (20, 3334048), (32, 2083780), (40, 1667024), (43, 1550720), (64, 1041890), (80, 833512), (86, 775360), (128, 520945), (160, 416756), (172, 387680), (215, 310144), (320, 208378), (344, 193840), (430, 155072), (640, 104189), (688, 96920), (860, 77536), (1376, 48460), (1720, 38768), (2423, 27520), (2752, 24230), (3440, 19384), (4846, 13760), (5504, 12115), (6880, 9692)]