248792320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{27767}}^1$

素因数の和:27795

約数の個数: 72

約数和(自身を含む): 681093504

約数和(自身を除く): 432301184

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, 27767, 55534, 111068, 138835, 194369, 222136, 277670, 388738, 444272, 555340, 777476, 888544, 971845, 1110680, 1554952, 1777088, 1943690, 2221360, 3109904, 3554176, 3887380, 4442720, 6219808, 7108352, 7774760, 8885440, 12439616, 15549520, 17770880, 24879232, 31099040, 35541760, 49758464, 62198080, 124396160, 248792320]

約数ペア:

[(1, 248792320), (2, 124396160), (4, 62198080), (5, 49758464), (7, 35541760), (8, 31099040), (10, 24879232), (14, 17770880), (16, 15549520), (20, 12439616), (28, 8885440), (32, 7774760), (35, 7108352), (40, 6219808), (56, 4442720), (64, 3887380), (70, 3554176), (80, 3109904), (112, 2221360), (128, 1943690), (140, 1777088), (160, 1554952), (224, 1110680), (256, 971845), (280, 888544), (320, 777476), (448, 555340), (560, 444272), (640, 388738), (896, 277670), (1120, 222136), (1280, 194369), (1792, 138835), (2240, 111068), (4480, 55534), (8960, 27767)]