257819040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{179041}}^1$

素因数の和:179062

約数の個数: 72

約数和(自身を含む): 879812388

約数和(自身を除く): 621993348

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 179041, 358082, 537123, 716164, 895205, 1074246, 1432328, 1611369, 1790410, 2148492, 2685615, 2864656, 3222738, 3580820, 4296984, 5371230, 5729312, 6445476, 7161640, 8056845, 8593968, 10742460, 12890952, 14323280, 16113690, 17187936, 21484920, 25781904, 28646560, 32227380, 42969840, 51563808, 64454760, 85939680, 128909520, 257819040]

約数ペア:

[(1, 257819040), (2, 128909520), (3, 85939680), (4, 64454760), (5, 51563808), (6, 42969840), (8, 32227380), (9, 28646560), (10, 25781904), (12, 21484920), (15, 17187936), (16, 16113690), (18, 14323280), (20, 12890952), (24, 10742460), (30, 8593968), (32, 8056845), (36, 7161640), (40, 6445476), (45, 5729312), (48, 5371230), (60, 4296984), (72, 3580820), (80, 3222738), (90, 2864656), (96, 2685615), (120, 2148492), (144, 1790410), (160, 1611369), (180, 1432328), (240, 1074246), (288, 895205), (360, 716164), (480, 537123), (720, 358082), (1440, 179041)]