256814280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{237791}}^1$

素因数の和:237811

約数の個数: 64

約数和(自身を含む): 856051200

約数和(自身を除く): 599236920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 237791, 475582, 713373, 951164, 1188955, 1426746, 1902328, 2140119, 2377910, 2853492, 3566865, 4280238, 4755820, 5706984, 6420357, 7133730, 8560476, 9511640, 10700595, 12840714, 14267460, 17120952, 21401190, 25681428, 28534920, 32101785, 42802380, 51362856, 64203570, 85604760, 128407140, 256814280]

約数ペア:

[(1, 256814280), (2, 128407140), (3, 85604760), (4, 64203570), (5, 51362856), (6, 42802380), (8, 32101785), (9, 28534920), (10, 25681428), (12, 21401190), (15, 17120952), (18, 14267460), (20, 12840714), (24, 10700595), (27, 9511640), (30, 8560476), (36, 7133730), (40, 6420357), (45, 5706984), (54, 4755820), (60, 4280238), (72, 3566865), (90, 2853492), (108, 2377910), (120, 2140119), (135, 1902328), (180, 1426746), (216, 1188955), (270, 951164), (360, 713373), (540, 475582), (1080, 237791)]