131269760

素因数分解:

$2^7\times 5^1\times {\mathrm{443}}^1\times {\mathrm{463}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 315204480

約数和(自身を除く): 183934720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 443, 463, 640, 886, 926, 1772, 1852, 2215, 2315, 3544, 3704, 4430, 4630, 7088, 7408, 8860, 9260, 14176, 14816, 17720, 18520, 28352, 29632, 35440, 37040, 56704, 59264, 70880, 74080, 141760, 148160, 205109, 283520, 296320, 410218, 820436, 1025545, 1640872, 2051090, 3281744, 4102180, 6563488, 8204360, 13126976, 16408720, 26253952, 32817440, 65634880, 131269760]

約数ペア:

[(1, 131269760), (2, 65634880), (4, 32817440), (5, 26253952), (8, 16408720), (10, 13126976), (16, 8204360), (20, 6563488), (32, 4102180), (40, 3281744), (64, 2051090), (80, 1640872), (128, 1025545), (160, 820436), (320, 410218), (443, 296320), (463, 283520), (640, 205109), (886, 148160), (926, 141760), (1772, 74080), (1852, 70880), (2215, 59264), (2315, 56704), (3544, 37040), (3704, 35440), (4430, 29632), (4630, 28352), (7088, 18520), (7408, 17720), (8860, 14816), (9260, 14176)]