268798720

素因数分解:

$2^8\times 5^1\times {\mathrm{373}}^1\times {\mathrm{563}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 646729776

約数和(自身を除く): 377931056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 373, 563, 640, 746, 1126, 1280, 1492, 1865, 2252, 2815, 2984, 3730, 4504, 5630, 5968, 7460, 9008, 11260, 11936, 14920, 18016, 22520, 23872, 29840, 36032, 45040, 47744, 59680, 72064, 90080, 95488, 119360, 144128, 180160, 209999, 238720, 360320, 419998, 477440, 720640, 839996, 1049995, 1679992, 2099990, 3359984, 4199980, 6719968, 8399960, 13439936, 16799920, 26879872, 33599840, 53759744, 67199680, 134399360, 268798720]

約数ペア:

[(1, 268798720), (2, 134399360), (4, 67199680), (5, 53759744), (8, 33599840), (10, 26879872), (16, 16799920), (20, 13439936), (32, 8399960), (40, 6719968), (64, 4199980), (80, 3359984), (128, 2099990), (160, 1679992), (256, 1049995), (320, 839996), (373, 720640), (563, 477440), (640, 419998), (746, 360320), (1126, 238720), (1280, 209999), (1492, 180160), (1865, 144128), (2252, 119360), (2815, 95488), (2984, 90080), (3730, 72064), (4504, 59680), (5630, 47744), (5968, 45040), (7460, 36032), (9008, 29840), (11260, 23872), (11936, 22520), (14920, 18016)]