1294954240

素因数分解:

$2^8\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3253}}^1$

素因数の和:3585

約数の個数: 72

約数和(自身を含む): 3112750368

約数和(自身を除く): 1817796128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 622, 640, 1244, 1280, 1555, 2488, 3110, 3253, 4976, 6220, 6506, 9952, 12440, 13012, 16265, 19904, 24880, 26024, 32530, 39808, 49760, 52048, 65060, 79616, 99520, 104096, 130120, 199040, 208192, 260240, 398080, 416384, 520480, 832768, 1011683, 1040960, 2023366, 2081920, 4046732, 4163840, 5058415, 8093464, 10116830, 16186928, 20233660, 32373856, 40467320, 64747712, 80934640, 129495424, 161869280, 258990848, 323738560, 647477120, 1294954240]

約数ペア:

[(1, 1294954240), (2, 647477120), (4, 323738560), (5, 258990848), (8, 161869280), (10, 129495424), (16, 80934640), (20, 64747712), (32, 40467320), (40, 32373856), (64, 20233660), (80, 16186928), (128, 10116830), (160, 8093464), (256, 5058415), (311, 4163840), (320, 4046732), (622, 2081920), (640, 2023366), (1244, 1040960), (1280, 1011683), (1555, 832768), (2488, 520480), (3110, 416384), (3253, 398080), (4976, 260240), (6220, 208192), (6506, 199040), (9952, 130120), (12440, 104096), (13012, 99520), (16265, 79616), (19904, 65060), (24880, 52048), (26024, 49760), (32530, 39808)]