128151040

素因数分解:

$2^9\times 5^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:579

約数の個数: 80

約数和(自身を含む): 310681008

約数和(自身を除く): 182529968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 443, 452, 512, 565, 640, 886, 904, 1130, 1280, 1772, 1808, 2215, 2260, 2560, 3544, 3616, 4430, 4520, 7088, 7232, 8860, 9040, 14176, 14464, 17720, 18080, 28352, 28928, 35440, 36160, 50059, 56704, 57856, 70880, 72320, 100118, 113408, 141760, 144640, 200236, 226816, 250295, 283520, 289280, 400472, 500590, 567040, 800944, 1001180, 1134080, 1601888, 2002360, 3203776, 4004720, 6407552, 8009440, 12815104, 16018880, 25630208, 32037760, 64075520, 128151040]

約数ペア:

[(1, 128151040), (2, 64075520), (4, 32037760), (5, 25630208), (8, 16018880), (10, 12815104), (16, 8009440), (20, 6407552), (32, 4004720), (40, 3203776), (64, 2002360), (80, 1601888), (113, 1134080), (128, 1001180), (160, 800944), (226, 567040), (256, 500590), (320, 400472), (443, 289280), (452, 283520), (512, 250295), (565, 226816), (640, 200236), (886, 144640), (904, 141760), (1130, 113408), (1280, 100118), (1772, 72320), (1808, 70880), (2215, 57856), (2260, 56704), (2560, 50059), (3544, 36160), (3616, 35440), (4430, 28928), (4520, 28352), (7088, 18080), (7232, 17720), (8860, 14464), (9040, 14176)]