255512320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{28517}}^1$

素因数の和:28545

約数の個数: 72

約数和(自身を含む): 699489504

約数和(自身を除く): 443977184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 28517, 57034, 114068, 142585, 199619, 228136, 285170, 399238, 456272, 570340, 798476, 912544, 998095, 1140680, 1596952, 1825088, 1996190, 2281360, 3193904, 3650176, 3992380, 4562720, 6387808, 7300352, 7984760, 9125440, 12775616, 15969520, 18250880, 25551232, 31939040, 36501760, 51102464, 63878080, 127756160, 255512320]

約数ペア:

[(1, 255512320), (2, 127756160), (4, 63878080), (5, 51102464), (7, 36501760), (8, 31939040), (10, 25551232), (14, 18250880), (16, 15969520), (20, 12775616), (28, 9125440), (32, 7984760), (35, 7300352), (40, 6387808), (56, 4562720), (64, 3992380), (70, 3650176), (80, 3193904), (112, 2281360), (128, 1996190), (140, 1825088), (160, 1596952), (224, 1140680), (256, 998095), (280, 912544), (320, 798476), (448, 570340), (560, 456272), (640, 399238), (896, 285170), (1120, 228136), (1280, 199619), (1792, 142585), (2240, 114068), (4480, 57034), (8960, 28517)]